If (sin+cos)^2=3/2 , what is sincos?
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1
Answer:
1/4
Step-by-step explanation:
opening the identity( sin + cos) ^2=
sin^2 + cos^2 + 2.sin.cos = 3 /2
... as we knw..sin^2 + cos^2 = 1
1+ 2.sin.cos = 3 /2
on solving sin.cos=1/4
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