Math, asked by samarth6504, 6 months ago

Evaluate: cos²26° + cos 64° sin 26° =

Answers

Answered by shivcharangarg38028

2

Step-by-step explanation:

cos²26° + cos64°sin26°

=cos²26° + cos(90°–26°)sin26°

=cos²26°+ sin26°sin26°

=cos²26° + sin²26° {As,sin²x+cos²x =1}

=1

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