Math, asked by shivanshmishraskm2, 1 year ago

Cos 15degree
Without point

Answers

Answered by nidhi2956
0

0.9659 is the value of cos15


shivanshmishraskm2: Dear you are using calculator!!
Answered by vimalpandey987
1

Cos 15°

=cos 60°- cos 45°

1 \div 2 - 1 \div  \sqrt{2}

=

{ \sqrt{2}  - 2} \div 2 \sqrt{2}

4 - 2 \sqrt{2 }  \div 8

I hope it helps you

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