SOLUTION: Hi.. Pls help me!!
The question is:
What are the solutions to
(Sin x+ cos x)^2=2
Please explain .... The answer has to be in radian..
Thanks!!
Algebra.Com
Question 737735: Hi.. Pls help me!!
The question is:
What are the solutions to
(Sin x+ cos x)^2=2
Please explain .... The answer has to be in radian..
Thanks!!
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
(Sin x+ cos x)^2=2
sin^2(x)+cos^2(x)+2sinxcosx=2
1+2sinx cosx=2
2sinx cos x=1
sin(2x) =1/2
Sin =1/2 =>
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