Math, asked by panchalhetalm, 2 months ago

Prove

Sin²35+sin²55-tan²45=0

Answers

Answered by nick47rubu

3

sin²35 + sin²55 - tan²45 = 0

L.H.S = sin²35 + sin²55 - tan²45

= {sin35}² + sin²55 - tan²45

= {sin(90-55)}² + sin²55 - tan²45

= {cos55}² + sin²55 - tan²45

=cos²55 + sin²55 - 1

= 1-1

= 0 = R.H.S

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