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Maths TNSB Mentoring
Class 10
Trigonometry
Trigonometric Identities I
3.
Find the value using trigonometric identities
Question:
3
m.
If \(sin \ \theta = cos \ \theta\), then \(2 tan^2 \ \theta + sin^2 \ \theta - 1\) is equal to _______
\(\frac{3}{2}\)
\(-\frac{3}{2}\)
\(\frac{2}{3}\)
\(-\frac{2}{3}\)
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