Question
Solution
= [[4 sin A cos3 A] – [4 cos A sin3 A]] / ̶ s in 4 A = [4 sin A cos A [4 cos2 A sin2 A]] / ̶ s in 4 A = 2 × 2 sin A cos A [cos 2A] / ̶ s in 4 A = 2 × 2 sin2 A cos2 A / ̶ s in 4 A = Sin 4A / - s in 4 A = ̶ 1
The graphs of the equations 3x-20y-2=0 and 11x-5y +61=0 intersect at P(a,b). What is the value of (a² + b² − ab)/(a² − b²...
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If x – 1/x = 9, then x3 – 1/x3 is:
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Find the value of the given expression-
(4x+4 -5× 4x+2) / 15×4x – 22×4x
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