Cos (pi÷2 - 2x) tan x =
Matematika
Danielimanuel26
Pertanyaan
Cos (pi÷2 - 2x) tan x =
1 Jawaban
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1. Jawaban zahrazahwa
cos (π/2 - 2x).Tan x = sin 2x. (sin x/cos x)
= 2.sin x.cos x.(sin x/cos x)
= 2.sin^2x