3 years ago

I want to prove that (2tanx)/(sec^2x)=sin2x.

Mathematics

1 answer:

4vir4ik [10]3 years ago

5 0

Answer:

Step-by-step explanation:

$LHS = \frac{2 tan x}{Sec^{2} x}\\\\= 2tan x * \frac{1}{Sec^{2}x}\\\\= 2*\frac{Sinx }{Cos x}*Cos^{2}x\\\\= 2Sin x *Cos x\\= Sin 2x$

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