Find the antiderivative using pythagorean trigonometric identities

The video tutorial explains the Pythagorean identity, showing how sine squared plus cosine squared equals one. It demonstrates manipulating this identity to express cosine in terms of sine. The instructor then rewrites trigonometric expressions and discusses integration using quotient and reciprocal identities, specifically focusing on secant and tangent. The lesson concludes with a brief apology for any confusion.

Explain the process of rewriting sine over cosine in the context of integration.

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What is the relationship between sine and cosine when integrating?

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