sin(A – B) COs A cos B = tan A – tan B We begin on the left side of the equation by using a Difference Formula on the numerator. We can then separate the expression into two fractions and reduce. Lastly, we use a Ratio Identity to simplify. sin A cos B – cos A · sin(A – B) cos A cos B %3D cos A cos B sin A cos B cos A cos B cos A • COs A cos B sin A cos A COS B = tan A – tan B

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A: Logerthimic simplification

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A: We are given,  .

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A: Given; h(x) = 2x2sin(x) - xsin(x) - 15 sin(x)

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A: As per the given question, answer here is given according to arrangements of question:

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A: We have to first do partial fraction of the given expression.

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A: Solution is done in step 2

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A: I have solved the only question1, please reupload your question with good quality image .

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A: Use the properties of add and even function.

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A: We will use the definition of sine hyperbolic function of complex numbers to find the result.

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A: Use quadrant to solve

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A: We will solve the following

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A: Given: sin4α-cos4αsin2α-cos2α=1

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A: We know csc(t) = 1sin(t) sin2(t) + cos2(t) = 1  ⇒ cos2(t) = 1 - sin2(t) cos(t)sin(t) = cot(t)

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A: To find derivatives of the given functions.

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