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Sail Through JEE: Trigonometric Ratio & Identity

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Question 1

The value of is equal to

Question 2

If in a triangle ABC tan, tan, tan are in A.P, then cos A, cos B, cos C are in

Question 3

If sinα sinβ - cosα cosβ + 1 = 0, then the value of cotα tanβ is

Question 4

If a sin α + b sin β + c sin γ = k, then minimum value of sin2 α + sin2 β + sin2 γ is

Question 5

If asin2θ+ bcos2θ = m, b sin2φ + a cos2φ = n and a tan θ = b tanφ, then is equal to

Question 6

Question 7

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Jun 1JEE & BITSAT