1+ cos(0) + sin(@) sin(0) Simplify the expression 1+cos(0) A 2sec(0) B 2csc(0) C sec(0) + cos(6) D csc(0) + sin(0)

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A: Given: x(t) = (1 + cos(5t)) sin(15t)

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A: Given that: (9-sinx)(4-3cosx)-(9cosx)(3sinx)

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A: Given,

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A: (a) We have to express cos2α in terms of cos2α.

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A:

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A:

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A: Can solve the given function by using double angle formula

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A:

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A: We have to add

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A: Given query is to find the integral.

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A:

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A: To find: The imaginary part of -x4icos 2x+x4sin 2x. Concept used: If the complex number is written…

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A: We use partial fraction method to decompose given function of s and then use inverse Laplace…

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A:

Q: If 4 sin ¹xcos ¹x 4 COS X + 5 7 Find sin² 2x 5 + 1 12 cos² 2x 7 = ?

A:

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A:

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A:

Q: Part D

A:

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A: We have,    cos ( 2 i ln(i) )

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A: We have to write this expression in terms of cos x.