18. What is the sine of the following angles? (i) 1° 00' 00" (ii) 2° 00' 00" (iii) 1° 01' 00"

Q: 4. Apply half-angle formula to find a. cos 15° b. sin 15° C. COS

A: Given: cos15∘, sin15∘, cos5π8 We know that cos2x=cos2x-sin2x…

Q: 6. B In right triangle ABC above, what is sin B?

A: Given, The right triangle ABC with right angle at C Where AB=8, BC =5  and  CA = 6 We have to find…

Q: In right triangle ABC, mZA = 30° and mZB = 90°. Which of the following are true? 1. sin(A) = sin(C)…

A: topic- trigonometric identities

Q: 17 If sin 0= 0.3347, find the measure of positive acute angle 0 to the nearest minute.

A:

Q: ind the values of θ in degrees (0° < θ < 90°) and radians (0 < θ < π/2) without using a…

A: First we find tan theta from cot theta.

Q: In AXYZ, the measure of ZZ=90°, XZ = 63, ZY = 16, and YX 65. What ratio represents the sine of ZX?

A: Given that right triangle XYZin which XZ=65 , ZY=16 and XY=65we have to find sin∠X

Q: 4 4 cos* 0 de, correct to 4 significant figures 프4

A: The trigonometric identity is 2cos2x=1+cos2x. Use the trigonometric identity 2cos2x=1+cos2x in the…

Q: Use the information given below to find sin (a-B). 3 with a in quadrant II cos a =-- sinß= 4. with B…

A:

Q: if sinθ + cosθ = 1 then what is the genaral value of  θ ?

A:

Q: 36. If cos(30+y)-- A) B) which would be sin(30-y)? C) pr D)

A: Topic:- trigonometry Note:- as per our guideline if more than one question uploaded than only first…

Q: Given that O 1800, determine the numerical value of this %3D sine = %3D -1 1

A: Put  thetha=180°

Q: According to Snell's law, the angle of refraction θ2 of a light ray traveling in a medium of index…

A:

Q: 8) Find BOTH angle measurements for 0, where 0° SOS 360°, if sine = 0.43837. You will need to use…

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Q: Estimate " sin?xdx using a.) R4 b.) L4 c.) M4. Round to 4 decimal places.

A:

Q: 2) Use a double-angle formula to simplify: sin (10z) cos (5r)

A:

Q: 14. If sin® = , where 0° <0s 90°, what is 0? %3D

A: sin θ = 22sin θ = 12sin θ = sin 45°      θ = 45°

Q: 22. Determine sin? y cos® y dy

A: Note that the reduction formula for ∫0π2cosnx dx=n-1nn-3n-2...231, if n is oddn-1nn-3n-2...12π2, if…

Q: In a right triangle, sin(40 – x)° = cos(3x)°. What is %3D the value of x?

A: given :

Q: 5. What is the purpose of using Odd and Even functions in Trigonometry? Also, indicate if sin 0, cos…

A: Graph of odd functions are symmetric about origin. i.e If  function f(x) is odd function, then f(-x)…

Q: 5 In right triangle DEF, if mLF = 90 and cos E = sin D is equal to

A:

Q: 12. If the sine ratio is given, then how can sin be determined?

A: The question says if sine ratio is given, then how can sinθ2 be determined.

Q: The angle y whose sine is -1/2 and which is in the interval [-pi/2, pi/2] is y = ?what?

A: Write the given statement in mathematical form and find the angle.

Q: If cotx = D. cos x = Z. and x is in quadrant II, then A. sinx || ! B. cos x C. sin a CTLA

A: follow next step

Q: 3. Use a calculator to find an approximate degree angle measure rounded to the nearest 100th. a) sin…

A: The values are given as sin-10.854=58.64o cos-123=48.18o

Q: 4. If the sine ratio is given, then how can sin be determined?

A: if sine ratio is given. Find: How can sinθ2 be determined?

Q: 17 Express the sine, cosine, or tangent of indicated angle as a fraction and as a decimal rounded to…

A:

Q: tan(a-β ); sinα = 8/17 for α in Quadrant II and cosβ = −(9/41) for β in Quadrant III

A: The objective is to find tan(α-β) .

Q: (1) Previously, the known values of the sine and cosine function that we listed around the unit…

A: For 75°    sin75°  =  sin(30° + 45°)  =  sin30°cos45° + sin45°cos30°  =  12x12+12×32  = 3+122  =…

Q: For this question, how would I solve for the SINE of theta, and the COS of theta for this particular…

A:

Q: 2. If sin 0 = and e is in the second quadrant, find tan, 0.

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

Q: What happens when you try to find B for sin B = 4.321 on your calculator? Why doesthis happen?

A: when you try to find B for sin B = 4.321 on your calculator  You got "no solution " or invalid…

Q: 7. Find the angle for sin V2

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

Q: The sine of an obtuse angle is 0.53. Calculate the tangent of this angle to 4 decimal places.

A: Let the angle is ∅

Q: 15) In right ABYE, ZY is a right angle. Cos(B) is . What is sine of ZE?

A: Sin E=Opposite/hypotenuse  Cos B=Adjacent/hypotenuse

Q: In AXYZ, the measure of ZZ=90°, XZ = 63, ZY = 16, and YX = 65. What ratio represents the sine of X?

A: First sketch a triangle for the given measures as shown below.

Q: (a) cos !9 4 " (b) θ (in degrees) where csc θ = 2.7614 (c) cot 217◦ (d) θ (in radians) where sin θ =…

A: a) Given term is cos94"

Q: 7) Use the given figure to write the trigonometric ratio as fractions and as decimals rounded to the…

A:

Q: Find sin(2x), cos(2x), and tan(2x) from the given information. cot(x) =D를, x in Quadrant I sin(2x)…

A: cot x = 23= 0.67x = cot-1(0.67)x = 56.3°2x = 112.6°

Q: what is the exact value of the following  y= sin^-1(theta3/2) and y= accros (-theta2/2)

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Q: Find the angle A between the ines

A:

Q: 4. Why is a SSA ambiguous? Think about the range for y = sin¬1 x. Can the inverse sine ever return…

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Q: For what angles 0 between 0° and 360° is cos 0 = sin 0 true?

A:

Q: As In Previous Question, Refer to a right triangle as shown. Two angles, 0 and o, are labeled. Sine…

A:

Q: derivation is required

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Q: D let cOs x ) and cos x lies below the x axis e Find sin(2x), cos(2x) and tan (ex). ) Proof the…

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Q: 4. Why is a SSA ambiguous? Think about the range for y = sin−1 ?. Can the inverse sine ever return…

A:

Q: 2. Use a calculator to find an approximate radian angle measure rounded to the nearest 1,000th. a)…

A: d).  Given, cos-1-0.35 By using calculator, we get cos-1-0.35=1.928367≈1.928

Q: 3 If sin t and t is in the 2mnd quadrant, then 8 i) tant = ii) sec t = %3D

A: Given:         sin t=38   t is in 2nd quadrant.

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.