sin 3a cos 3a da.

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A: Given equation is

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A:

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A:

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A: Using the trigonometric formula,  cos2θ=2cos2θ-1⇒cos2θ+1=2cos2θ⇒cos2θ+12=cos2θ⇒cos2θ=cos2θ+12 Taking…

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A: We have to find

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A:

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A: We can find the answer to the integration in the following steps.

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A:

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A: we have to simplify: (a) 1a1b=1a×b=bathis is the required answer.

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A:

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A: TO SHOW 1−cosx1+cosx=sin2x

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A:

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A: Given trigonometric expression is cos2π3-sin2π3.

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A: Use sin(A+B)  , expand and solve

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A: Here we have,

Q: E sin i sin 98 cos 50 de

A:

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A: find  cos50=sin ....... i.e. cos 50=sinx find out x value

Q: cos3(50) sin(50) de

A: To determine the integral.

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A:

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A: Given X and Y are complementary angles  means X+Y =90°

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A: Given integration is: ∫2-5cosθsinθdθ To find the value of integration.

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

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A:

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A: -2 sin(3x)= √3 solutions = ?

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A: We use complementary angles formulas cos(90-x)=sin(x)  sin(90-x)=cos(x)

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A:

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A: Solution

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A: The given trigonometric expression is: cos θ cot θ   Solution is below:

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A:

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A: Given expression: cos2A We know that the property cosx+y=cosxcosy-sinxsiny......(1) We can write the…

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A: Cosine is negative in the second and third quadrant and positive otherwise. Tangent function is…

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A: topic - trigonometric functions

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A: Given: cos0+90

Q: Find the principal value of sin(4+7j).

A: Below is the explanation of the question.