tan 2A = 3 tan A is true, when the measure of ∠A is :

Question

MCQ (Single)Tangent Ratio in Right TriangleRelationship Between Trigonometric RatiosCBSE PYQ

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

In a right triangle ABC, right-angled at A, if sin B = 1/4, then the value of sec B is

Relationship Between Trigonometric Ratios

sec A = 2 cos A is true for A =

(cot θ + tan θ) equals :

Prove that : √((sec A − 1)/(sec A + 1)) + √((sec A + 1)/(sec A − 1)) = 2 cosec A

Prove that : (1/cos A − cos A)(1/sin A − sin A) = 1/(tan A + cot A)