Question

if sin A 3/4 calculate cos A

Answer 1

Sin A=3/4

So, hieght/hyp=3/4

So, by Pythagoras theorem

Base=5x

Hieght=3x

Hyp=4x

Cos A= base/hyp

= 5x/3x

So, cos A= 5/3

Here's your answer :-)

Answer 2

Answer:

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