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If A, B and C are angles of triangle, then sin2A + sin2B + sin2C– 2cosA cosB cosC
In triangle ABC, ∠A - ∠B = 16 ° , whereas ∠A - ∠C = 8 ° , find ∠B.
Determined the simplified value of the given expression:(1 - sin2 q) X (sec q + tan q) X (sec q - tan q) X cosec2 q
If tan 4θ = cot 14θ, then find the value of cos 9θ.
The Value of (sin38˚)/(cos52˚) + (cos12˚)/(sin78˚) - 4cos²60˚ is
If sin 2A = cos (3A - 60o) , then find the value of sec 2A.
If cot8A = tan(A+8˚), find the value of A? Given that 8A and A+8 are acute angles.