Categories > trigonometry > Trigonometric ratios of multiple and sub-multiple angles > If ${{\tan }^{2}}\theta =2{{\tan }^{2}}\varphi +1,$ then $\cos 2\theta +{{\sin }^{2}}\varphi $ equals

trigonometry

Question: If ${{\tan }^{2}}\theta =2{{\tan }^{2}}\varphi +1,$ then $\cos 2\theta +{{\sin }^{2}}\varphi $ equals


1) –1
2) 0
3) 1
4) None of these
Solution: Explanation: No Solution
Trigonometric ratios of multiple and sub-multiple angles

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)

Previous Question Next Question

Related Questions