Final answer to the problem
Step-by-step Solution
How should I solve this problem?
- Prove from LHS (left-hand side)
- Prove from RHS (right-hand side)
- Express everything into Sine and Cosine
- Exact Differential Equation
- Linear Differential Equation
- Separable Differential Equation
- Homogeneous Differential Equation
- Integrate by partial fractions
- Product of Binomials with Common Term
- FOIL Method
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Starting from the left-hand side (LHS) of the identity
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$1-\sec\left(x\right)^2$
Learn how to solve problems step by step online. Prove the trigonometric identity 1-sec(x)^2=-tan(x)^2. Starting from the left-hand side (LHS) of the identity. Apply the trigonometric identity: -\sec\left(\theta \right)^2+1=-\tan\left(\theta \right)^2. Since we have reached the expression of our goal, we have proven the identity.