Sin 8A = 8Sin A. CosA. Cos2A.Cos4A
Prove that
Cos2A + Sin2A.Cos2B = Cos2B + Sin2A.Cos2B
(2CosA + 1)(2CosA-1) = 2Cos2A + 1
Sin 8A = 8Sin A. CosA. Cos2A.Cos4A
Prove that
Cos2A + Sin2A.Cos2B = Cos2B + Sin2A.Cos2B
(2CosA + 1)(2CosA-1) = 2Cos2A + 1
Title Establish Multiplication, quotient and power law of indices Idea to do the proje…
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