- 1. sin 100° cos 70° + cos 100° sin 70° = sin(?) ? =

Q: -¹ (cos()) 11. cos-¹

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Q: if cos(X+pi/6)+sin(x-pi/3)=A, then the number A =

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Q: --cos(45")? Explain. 3. Does cos

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Q: 1. . cos N = COS

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Q: 7T then 6. If 0 = sin(0) = cos(0) = COS %3D

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Q: 3 5 7 Given sin A 25 in Column 1 with its exact value in Column 2. Column 1 Column 2 and sin B tan…

A: Given that and where is in quadrant and is in quadrant .We have to find the exact values of,

Q: Evaluate sin" 0 cos Od0 63 8x 105 63 16 105

A: Topic - integration

Q: 2. sinx = -41 over the interval (-∞o, co) *Round all answers to 3 decimal places*

A: To find out the solutions of the given trigonometric equation over the given interval.

Q: cos(20) = cos? e - 1 = 1 - sin? 2 2 1 Cos e tan

A: Given

Q: 1 Cos A - 1 with Ain QIV Find cot2A. V5 2. b. 3. C. 2. d. 4 E. e. 4

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Q: If sin 0 2 find the exact value of cos 20. 3

A: The given value is sin θ=23.

Q: a) Is cos(2-30°) equal to cos² 30° - sin² 30° ? Yes or No. || b) Find the value of cos(230°).

A: a) cos ( 2.30°) = cos230 - sin230

Q: 3. The trigonometric equation cos²x- sin²x = 0 has the same solutions as the trigonometric equation…

A: In the given problem we have to show that two trigonometric equation has the same -solution.  If we…

Q: e. cos 20 + 14 sin? 0 = 10 over [0°, 360°)

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Q: 14) sin- 1 2 /-

A: 14. let x=sin-1(12)     x=π6                    (∵ sin(π6) = 12)

Q: 4. To find sin(cosA), we let 0 = cos"() and complete the right triangle at the top of the next…

A: The value of sincos-1513 can be calculated as, Let, cos-1513=θ      ⇒cosθ=513  A right angled…

Q: 3. cos?= -1/3 and ? is not in QII sin? = tan ? = cot? = sec? = csc? =

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Q: 4) If Cos A= 5/13 Then without using calculator Find the value of Tan 2A O (-120)/119 O 49/169 O…

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Q: 7. Give the exact answer for cos ( sin- 13

A: Consider the given expression

Q: cos (0) + sec (-0) tan(0)sin (20) 5. Simplify the following expression:

A: Simplify the following expression

Q: e csc 20 In (ecos 2 ) Ince cos CoS 20 28) Sin2 20 OP

A: Given integral is ∫ecsc2θlnecos2θsin22θdθ since lnex=x, so lnecos2θ=cos2θ The integral becomes…

Q: 9. Sec. 2.1 Simplify the following expression using exact values. (a) sin?(45°) – 2 sin(45°)…

A: To simplify:a) The expression

Q: -4 b) Given cos 0 = sin? 0 = ? tan? 0 = ? cos (-0) =?

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Q: sin? 0 – cos? 0 = sin? 0 - (1 - ( = 2 sin? 0 – 1

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Q: sinx Cosxdx

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Q: 35. Verify the following: sec sin 0.tan 0 sin e cos² e

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Q: 5. Find one value of x that solves the equation by using the inverse sine or cosine function on your…

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