#trig-identity-applyMCQ

Trigonometric Identities

Practice Focus level Class 10 math MCQ on trigonometric identities with answer, solution, FAQ, and exam-focused revision.

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The value of $1 + t a n 2 θ$ is:

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FAQ

Which identity contains $1 + \tan^2\theta$?

$1 + t a n 2 θ = s e c 2 θ$ .

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Common mistake: Students sometimes mix this identity with $1 + \cot^2\theta = \cosec^2\theta$.

Practice a Focus level Class 10 math MCQ on trigonometric identities with answer and clear solution.