Question

If (sin+cos)^2=3/2 , what is sincos?

Answer 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