Prove that the gradient of the curve y = 5/2 - tanx is always poitive.
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Prove that the gradient of the curve y = 5/2 - tanx is always poitive.
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Related Book For
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
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