SOLUTION: If f(x)=2cos^2x+sin x - 1 find the value of f (pi/2) Please help? I am able to do f(x) but the other one is confusing/

SOLUTION: If f(x)=2cos^2x+sin x - 1 find the value of f (pi/2) Please help? I am able to do f(x) but the other one is confusing/

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Question 863469: If f(x)=2cos^2x+sin x - 1 find the value of f (pi/2)
Please help? I am able to do f(x) but the other one is confusing/
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
What do you mean "able to do f(x)"?
Substitute for .

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