19) Solve Systems of Equations using Matrices 1 May Use Desmo: 4 %3D 10 27 1 2 11 21 X A' B

Q: 7. Find the exact value of each expression using the angle sum and difference formulas: cos 165°

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Q: Evaluate eVa dx. Evaluate: 5-r°dx. Express the integral: / x 76 -3x e dx in terms of gamma function.

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Q: Find the angles, perimeter, and area of the largest triangle you can make with three bars of length ...

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Q: 1. The reduction formula for the a definite integral is In = (r" sin r + nx"-1 cos r) n(n – 1)In-2. ...

A: 1. The reduction formula for the definite integral is given as follows: In=xn sin x +nxn-1 cos x|0π-...

Q: 7 miles no nale nale of tho

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Q: What is the angle measure 67°38'11" equivalent to in decimal degrees? Enter your answer, rounded to ...

A: the given degree,    67°38'11''

Q: Solve the equation for the interval [0, 2n). cos (x) = sin (x) 3π π O A. 4 2 3n 5T В. О В. 4' 4 OC. ...

A: Given:Cos x = Sin x We will solve the given equation in the interval (0,2π]    

Q: 7. Find the measure of angle QSR. Round to the nearest tenth. 38 cm 48.5 cm

A: The measure of angle QSR is 51.6°

Q: 7. Aflashlight was focuses on the mirror forming an angle 80°. The length of the light from the flas...

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Q: 50. Write cot x in terms of csc x.

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Q: Simplify (TnA + into an expression without fractions and 1-sin A involving only a single trigonometr...

A: Given, 11+sinA+11-sinA We have to simplify the expression.  

Q: sec A - 1 sec A +1 2 tan A 2 sec A Option 1 Option 2 2 csc A 2 tan A sec A Option 3 Option 4

A: Topic:- trigonometry

Q: Let the equation below model the electromotive force in volts, V, at t seconds. V= cos 2xt Find the ...

A: Given query is to find the value of t.

Q: The angle between 0 and 2π in radians that is coterminal with the angle 53π/12 radians is

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Q: cot (특) sec () 11. 12. 6.

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Q: equa 4 Choose the correct answer below. O A. arcsin =X 2 2 ОВ. arccOS = X 2 V3 O C. arctan = X 3

A: We find the equation that solution is π/4.

Q: un a = 90° <a < 180°, then find the exact value of each of the following. α a. sin b. cos c. tan ...

A: We have to find trigonometry value

Q: The product of the sides of the triangle (AB)(BC)(CA) is 51840. If the area of the triangle ABC is e...

A: Suppose the sides of the triangle are a,b and c then given that abc=51840 And the area of the triang...

Q: 51. Write csc x in terms of cos x.

A: sin2x +cos2x =1 ⇒  sin(x )=±1-cos2(x). csc(x) =1sin(x)

Q: 15

A: We are authorized to answer one question at a time, since you have not mentioned which question you ...

Q: What is the sign of the trigonometric function, given the quadrant the terminal ray of an angle lies...

A: Trigonometric function sign

Q: Use the figure below to find the unknown sides. * Direction: In AHOS, U and A are midpeints of RG an...

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Q: Prove the identity: * (1+ cot A- csc A) (1 + tan A+ sec A) = 2

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Q: Solve the problem exactly: 2 sin2 θ − 1 = 0, 0 ≤ θ < 2π

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Q: Ina triangle AABC, right angled B, AB=7cm, and (AC - BC) =1cm. The value of (sec C+ cot A) is:* 4 3 ...

A: Let BC= xSo, AC=x+1We know thatAB2+BC2=AC2 (By Pythagoras theorem)49+x2=(x+1)2 49+x2=x2+1+2x2x+1=49x...

Q: Determine whether the polygons are similar. If they​ are, write a similarity statement and give the ...

A: We can see that the all the sides are equal for both the triangle.

Q: Question 9 In which quadrant(s) are cosine positive? Select all that apply. A Quadrant I B Quadrant ...

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Q: Rewrite the following expression in terms of u with u > 0. That is, to rewrite the expression in ter...

A: Find your answer below 

Q: Find

A: Please refer to the image below

Q: 2. Are the two triangles similar? Justify your answer. 12 30° 21 30 VY 14

A: We are asked to find the triangles are similar

Q: 15 180° < a< 270°, then find the exact value of each of the following. If tan a = 8 a. sin b. cos 2 ...

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Q: Find the length of side BC of the quadrilateral ABCD when 2C = 40°, AB = 16cm, and AD = 12cm. * B 40...

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Q: 2 sin 8 then I- cas o +SinD is also y. ノ I+ Cos 9 + sing I+sing

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Q: If θ=3π/4, then

A: Given, θ=3π/4 To find sin(θ) =    cos(θ) =

Q: The first term of a geometric sequence is 2100. The common ratio of the sequence is-0.I. 0.1. What i...

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Q: Find the slope of the line normal to the curve y = x³ - 2x +1 at x = 2 -

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Q: Which of the following does not have a Mclaurin series? 1+sin a cos r O VE

A: We know that the Maclaurin series: fx=f0+f'01!x+f''02!x2+f'''03!x3+…

Q: The second angle of a triangle is twice the first angle and the third angle is thrice the second ang...

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Q: 4. Meachelle is working diligently, as she always does, when she sights a ship from the lightloase a...

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Q: What quadrant does the terminal ray of the angle drawn in standard position lie in? Drag the angle m...

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Q: As shown in the figure below, Mary is standing 33 feet from the base of a leaning tree, The length o...

A: To find out the angle theta. 

Q: 32. Find h as indicated in the figure. h 41.2°/52.5° 168 m

A: Given:  Triangle is given.

Q: Given the rectangular (Cartesian) equation (x+3)^2+y^2=9, describe the graph of this equation in ter...

A: Given: x+32 +y2 = 9---------------------------------Aim:To covert the given equation into polar co-o...

Q: f (x) = sec x? What is the period of Enter your answer in the box. period of f (x) = sec x:

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Q: Which statement correctly defines the trigonometric ratio? O The cosine of an angle is defined as th...

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Q: . The school newspaper wants to determine which valedictorian is supported by most of the students ....

A: 1. school news paper want to determine which valuedictorian is supported by most of student?  this i...

Q: 22 - r - 2 4. lim 40 r – 6r² – 7r+1

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Q: If I, = Sx" cos x dr, by using integration by parts, prove that In = x" sin r + na"- cos r – n (n – ...

A: We use integration by parts to show given condition.

Q: When is the arcsin function also a square root function

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Q: Use the graph of y = csc x to find all values of x, 0 < x < 277, for which the following is true. (E...

A: You asked multiple questions and not mentioned which question answer you need so according to bartle...