Find the value of sin? 35° + sin2 55º.
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Answered by
1
Answer:
refer to the above attachment.
formula : sin( 90 - A) = cosA
and
sin²A + cos²A =1
Attachments:
Answered by
1
Answer:
We know that sin^2theta + cos^2theta=1
sin^2 35°+sin^2 55°
=cos^2 (90°-35°) +sin^2 55°
= 1. (sin^2theta + cos^2theta=1)
Step-by-step explanation:
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