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Step-by-step Solution
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I. Express the LHS in terms of sine and cosine and simplify
Learn how to solve quotient rule of differentiation problems step by step online.
Learn how to solve quotient rule of differentiation problems step by step online. Prove the trigonometric identity 1+tan(x)^2=sec(x)^2. section:I. Express the LHS in terms of sine and cosine and simplify. Start from the LHS (left-hand side). Rewrite \tan\left(x\right)^2 in terms of sine and cosine. Combine 1+\frac{\sin\left(x\right)^2}{\cos\left(x\right)^2} in a single fraction.