If a triangle has sides a=5, b=4 and c=6, find cos(C).

Q: What is sin (B-A) when B = 270 degrees and A is an acute angle? sin A cos A sin A cos A

A: Given that B=270 degrees.

Q: Solve the triangle. a=6, b=10, C=60°

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Q: If sin0=5, then what is the value of cost

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Q: 3. Find all solutions in the interval [0,360°). a) √3 tan²0 tane = 0 -

A: we supposed to do only first  part of multiple a)   3tan2θ-tanθ=0     tanθ(3tanθ-1)=0

Q: Sketch the graphs of the following: 1. y 3 sin x

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Q: Solve the following for 0, in radians, where 0 ≤ 0 < 2TT. Round to the nearest hundredth. -7 sin²…

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Q: If sint=15, and t is in quadrant I, find the exact value of sin(2t), cos(2t), and tan(2t)…

A: To find the value of given trigonometric expression

Q: Find the area of a triangle with sides of length 19 and 22 and included angle 30 degrees. Your…

A: To find the area of triangle

Q: 2. Given that cos u = - 3 and that u lies in quadrant 2, find sin(2u) and cos(2u).

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Q: Solve for x, if 0 < x < 2n. Give your answer in radians using exact values only. 2 sinx-cotx- csc x…

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Q: Verify the identity: 2 - cos²x sin x = CSC x + sin x

A: To verify the given identity.

Q: Please

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Q: Determine the exact value of in the following equation if 0 ≤ 0 < 2π. -8 sin² 0 + 10 = 6 Select the…

A: Given -8sin2θ + 10 = 6

Q: 14. From my balcony, I can see a tall building a short distance away. The angle of elevation to the…

A: Let's find distance from the bottom of the building.

Q: f(x) = x1-81349 3x2-7x-20 아옭아들이 아이아름 0 100, 4) U (4,00) ) 1-00-4) U -4 114,00) 이들이

A: The answer is given in step 2

Q: te the standard form equation of the parabola that passes through (-4, 2), if the vertex at the…

A: Given query is to find the equation of the parabola.

Q: Please help me with this explain how you would complete a trig identity questions and include…

A: Use trig identity to prove question

Q: Solve the following equation for on the interval [90°, 270°). Round your answer to the nearest tenth…

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Q: If sin0=5, then what is the value of cos0

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Q: Find all solutions of the equation in the internal 10. 2d C Esin 6+1)=0

A: (tanθ-3)(sinθ+1)=0tanθ=3 and sinθ=-1  in  0,2π

Q: 8/3 Evaluate: sec x cosec x dx.

A: The given integral is: I=∫sec43xcosec83xdx   As we know the trigonometric identities: 1).…

Q: find the vertex, focus, and directrix of the parabola given by each equation. Sketch the graph (x +…

A: Topic:- geometry

Q: 1. Find the exact values. No calculators allowed. a) sin(105°) b) tan (195⁰) c) cos

A: To find the values

Q: An employee wants to invest $60,000 in a pension plan. One investment offers 6% compounded…

A: ⇒A=P1+rnnt ⇒P=Initial amount ⇒A=Amount  at time t ⇒n=compounded period ⇒t= Time in years

Q: Here are some tests that we can use to help determine whether a polar graph has certain symmetries.…

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: The equation P = 15 sin (2nt) + 100 models the blood pressure, P, where t represents time in…

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Q: Determine the exact value of 0 in the following equation if 0 ≤ 0 MA|$ v/ 813 0 = 7π and only 3π 4…

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Q: Find v v = - 10i+24j ||v|| = (Type an exact answer, using radicals as needed. Simplify your answer.)…

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Q: Find the length x to the nearest whole number. 38° 450 24°

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Q: If sin x x= 1 x in quadrant I, then find (without finding x) : sin(2x) = cos(2x) = tan(2x) =

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function…

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Q: 4. 2y = tan x

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Q: 4. Find all solutions in radians. a) cos(50) = -1 IN 2

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: Given that sin =≤0, find the following. Write your answers as fractions. Do not change into decimal…

A: Given query is to find indicated trigonometric functions.

Q: What is a Pythagoras Theorem ?

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Q: What are the polar coordinates of the point A shown below? Enter your answer as (r, 0) with in…

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Q: Two sides and an angle are given below. Determine whether the given information results in one…

A: Two sides and an angle of a triangle are given as b=8, c=6, B=170°

Q: Drag the point to graph the polar equation. Provide your answer below: RESET 11 10 102 10m2 T = TE…

A: To graph the given polar equation first we  find r values corresponding to some θ values and then…

Q: Solve the equation. Give a general formula for all the solutions. List six solutions. √2 2 cos (20)…

A: Given that :  cos(2θ). = -(√2/2 ). We find general formula for all the solution to cos(2θ) = -(√2/2)…

Q: five trigonometric function if tan 0 = 3/4 land T ≤ 0 < OTT псасап

A: Given :- tanθ=34 ,π&lt;θ&lt;2π

Q: Convert the complex number, z = 5(cos(π4)+isin(π4))5(cos(π4)+isin(π4)) , from polar to rectangular…

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Q: Write the expression in terms of sine and cosine, and then simplify the expression so that no…

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Q: = Use the vectors in the figure at the right to graph the following vector. V+W Choose the correct…

A: Vector

Q: Which of the answer choices correctly graphs the polar equation below? r = 3

A: The given polar equation r=3. We have to sketch the graph of the equation.

Q: Solve the equation. Give a general formula for all the solutions. List six solutions. Ꮎ an = √3 2…

A: We are asked to find the value of given equation.

Q: 1. Here are the characteristics of a sinusoidal function: Characteristics: □R: -2.5 ≤ y ≤7.5 minimum…

A: We have to find the equation.

Q: If tan(a)= -7/3, where a terminates in Quadrant II, find the exact value of sin(2a).

A: Given:- tanα=-73

Q: find the exact value of tan 255° using a sum or difference identity

A: NOTE: Refresh your page if you can't see any equations. . use the formula  so here we can write

Q: Solve the system by the method of your choice. x=9y-2 - 3x + 27y=6 Select the correct choice below…

A: Given query is is to find the solution of the system of equations.

Q: (0,2pi) 5cosxcotx=cosx

A: Given Equation:- 5cosxcotx=cosx