Math, asked by rahulmali3581, 11 months ago

If sinA=3/5 and A is acute find sin3A

Answers

Answered by Anonymous

50

Solⁿ :

SinA = 3/5 = P/H

Let, P = 3k and H = 5k

So, base² = H² - p²

=> (5k)² - (3k)²

=> 25k² - 9k²

=> 16k²

=> 4k

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