If sin A = -3/5 and cos A > 0 and cos B = 5/13 and sin B < 0, evaluate tan (A+ B ). O -63/16 O -33/56 O 63/16 o 33/56

Q: 3. Which expression is equal to 02 O O O O 1 -1 -2 sinx-cos X sin² x-cos²x using identities?

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Q: sin(A)cos(B)+cos(A)sin(B) Choose. sin(A)cos(B)- cos(A)sin(B) Choose. cos(A-B) tan(A)+ tan(B)…

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Q: 8. cos x+- +sin x- 3 6.

A: According to the guidelines I have to solve only first question. We can solve this problem…

Q: Let a and b be positive numbers. Evaluate sin (tan O 60 b a² +6² a (tan-¹ (7)). √a² +6² √a² +6² a²…

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Q: If cos cos0 0=find seco

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Q: ® I co coso de COs o

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Q: What expression is equal to the given expression below? 1- tan²x 1+tan²x a. sin 2x b. cos 2x -sin 2x…

A: Given: 1-tan2x1+tan2x We write tan x by using the ratio of sin x and cos x.

Q: 0 cos n0 do

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Q: 5 sin Od0 = -5(cos x – 1). Select one: O True O False

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Q: tan 0 cot 0

A: (I)  tanθcotθ=sinθcosθcosθsinθ    (Reason : tanθ=sinθcosθ, cotθ=cosθsinθ)         =sin2θcos2θ…

Q: Let x = 7 cos 0,0 <0 < T. Simplify the expression x 49-x²

A: Given that .The objective is to simplify the expression .

Q: For part b can you please explain how sin(k) would be the same as cos(k)

A: sin(k) and cos(k) are same in sense of there range, since the range of these function is same.…

Q: A 17 8 B 15 sin(A) = type your answer. - cos(A) = type your answer. - and tan(A) = type your answer.

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Q: If cos(0 - π/2) 0.54, find sin(- 0)

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Q: Which of the following is the simplified expression of 1- 1 sece sin²e cos²0 O tan²e O sec²9 cose?

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Q: Which one of the following is an equivalent expression to 57 6 57 sin cos 6 – cos sin - 6 O sin T O…

A: The formula for sinA+B can be defined as sin(A+B)=sinAcosB+cosAsinB . The formula for sin(A-B) can…