If sine theta + cos theta = root 2, then sin theta * cos theta =
Answers
Answered by
1
Answer:
same root 2
Step-by-step explanation:
bcoz sin2theta + cos2theta=1
Answered by
0
Answer:
sin theta*cos theta= ½
Step-by-step explanation:
sin theta + cos theta= rt2
Square both the sides,
=(sin theta+cos theta)²= 2
=sin²theta + cos²theta + 2sin theta*cos theta= 2
= 1 + 2sin theta*cos theta= 2
= 2sin theta*cos theta= 1
= sin theta*cos theta= ½
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