Question

find value of sin²30°+cos²45°​

Answer 1

Heya

_______________________________

Sin 30 = 1/2

And

Cos 45 = 1/√2

=>

(1/2)² + (1/√2)²

=>

{1/4 + 1/2 }

=>

3/4

Answer 2

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=1/√2²+ 1 / 2²

=1/2+1/4

By LCM

4+2/8

=6/8

=3/4