Math, asked by harshsharma3741, 11 months ago

How to find the value of cos 36 degree​

Answers

Answered by Anonymous
1

Use complete square method or quadratic formula to obtain the roots of (2) and take the positive value only because cos36∘>0 since it lies on the first quadrant. ..

Answered by hardik1834
0

I am writing degree in short that is 'deg'

understand it

cos 36deg=1-2sin square 18 deg

cos36deg=1-2(

hardik1834: sorry i left it
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