Asked by sh
Evaluate the following limit:
lim x->(pi/2) [((pi/2)-(x))/cosx]
May I please get a hint on how to start this question?
lim x->(pi/2) [((pi/2)-(x))/cosx]
May I please get a hint on how to start this question?
Answers
Answered by
Damon
hint:
cos x = sin (pi/2-x)
cos x = sin (pi/2-x)
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