SOLUTION: Let {{{ f(x) = cos(x) + sin (x) }}} Find f ' (pi/4)

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Question 909273: Let +f%28x%29+=+cos%28x%29+%2B+sin+%28x%29+
Find f ' (pi/4)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Let +f%28x%29+=+cos%28x%29+%2B+sin+%28x%29+
Find f ' (pi/4)
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Find f'(x)
Then f'(pi/4)
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If you can't do that, you're in the wrong class.