CBSE BOARD X, asked by anitaaloorkar, 15 hours ago

what is the value of sin² 90° + cos² 90°?

Answers

Answered by mauryasunila

4

Explanation:

sin90=1

cos90=0

sin2 90=(1)2

cos2 90=(0)2

sin2 90+cos2 90

=1+0

=1

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