Question

If value of cos A=5/13 then value of sin A is

Answer 1

Answer:

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Answer 2

Answer:

Given,

cosA=5/13=adjacent/hypothenuse

sinA=opposite/hypothenuse

(hyp)²=(adj)²+(opp)²

So now let's substitute the values

(13)²=(5)²+(opp)²

169=25+(opp)²

(opp)²=169-25=144

opp=12

hence,Sin A = 12/13