Question

sin=a/b,then cos = ​

Answer 1

Answer:

I haven't been able to insert the day DEEPA

Step-by-step explanation:

heurujdnxnxjfjfjxk by the way they can u say that I

Answer 2

Answer:

$\sin( \alpha ) = \: opposite \div hypotenuse \\ \cos( \alpha ) = adjacent \div hypotenuse$

b is the hypotenuse

a is opposite

so the adjacent would be,by Pythagoras:

√(b2-a2)

So cos = √(b2-a2) ÷ b

Thanks

I hope this helps you

Please follow me and give me thanks....