Math, asked by balakrishnavaidya157, 2 months ago

find the value of sin²20° + sin²70°

Answers

Answered by bagkakali

2

Answer:

sin^2 20°+sin^2 70°

=sin^2 20°+sin^2 (90-20)°

=sin^2 20°+cos^2 20°

=1

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