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OpenStudy (anonymous):
find the value of lim as h->0 (tan(pi/4 +h) - tan(pi/4))/h = a. -1 b. 0 c. 1 d. 2 e. does not exist PLEASE HELP!
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myininaya (myininaya):
\[\sec^2(\frac{\pi}{4})=? \]
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