Math, asked by ayishasalam, 1 year ago

prove that sin ²12 +sin²21+sin²39+sin²48 =1+sin ²9+sin ²18

Answers

Answered by Ankursingh11

1

by putting value of all= firstly LHS= .043+.128+.396+.552 =1.119. RHS= 1+.024+.095=1.119. therefore LHS=RHS proved

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