Question

Sin2A = 2SinA




pls solve this ..
we have to evaluate it​

Answer 1

Step-by-step explanation:

$sin2x = 2sinx \: cosx$

i think you got that formula wrong

PROOF:

2x can be written as (x+x)

And now use the formula

sin(a+b)= sin a cos b + cos a sin b

HENCE PROVED

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