T Cos x-sin x Jr x² dx So

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A:

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A: Consider the following equation:

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A:

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A: Let,    I = ∫sin6xdx  .....(1)  = ∫sin5x.sin x dx    Now we solve this integration by using rule of…

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A:

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A:

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A: To evaluate:∫dx1+sinx-cosx Solution: We know,cos2x=1-tan2x1+tan2x     ...(1)sin2x=2tanx1+tan2x…