If sin 3A = 1, then find the value of cos 2A – tan² 45°.

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

Relationship Between Trigonometric Ratios, Table of Trigonometric Ratios for Standard Angles | PadhAiPro

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TextRelationship Between Trigonometric RatiosTable of Trigonometric Ratios for Standard AnglesCBSE PYQ

Prove that : tan θ/(1 − cot θ) + cot θ/(1 − tan θ) = 1 + sec θ cosec θ

Which of the following statements is false ?

Find the values of A and B (0 ≤ A < 90°, 0 ≤ B < 90°), if tan (A + B) = 1 and tan (A – B) = 1/√3.

Prove that tan 45° = 1 geometrically.

If (sec A + tan A) (1 – sin A) = k cos A, then find the value of k.

If √3 sin θ = cos θ, then value of θ is