Question

sin²theta + sin² (90-theta) = ?
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Answer 1

Answer:

1

Step-by-step explanation:

Since Sin^2(90-theta)=Cos^2theta

And

Sin^2theta+Cos^2 theta =1

Answer 2

sin²∅ + sin²(90 -∅)

=sin²∅ + cos²∅ (since sin (90-∅) =cos∅)

=1