Math, asked by Vishal7998, 1 year ago

Sin 47 degree by cos 43 degree + cos 43 degree by sin 47 degree minus 4 cos square 45 degree

Answers

Answered by arnav2927
0

 \sin47  \div  \cos43 + cos43 \div sin47 + 4 \cos ^{2} 45
4
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