Prove the identity. sin(3x) + sin(4y) = tan (3x + 4y) cos(3x) + cos(4y) 2 Use the Sum-to-Product Formulas and then simplify. sin(3x) + sin(4y) cos(3x) + cos(4y) || = 2( sin COS X × ) X

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

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A: We can find the limit as below, using L'Hospital rule.

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A: According to the problem, we have

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A: Given query is to find the integral.

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Q: 16. Given the system, which is the correct matrix equation to solve with the inverse matrix? 2x+5y=3…

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

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A: Given query is to simplify the expression.