a. Given that x is acute and that 2 sec 2 x + 7 tan x =
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a. Given that x is acute and that 2 sec2 x + 7 tan x = 17, find the exact value of tan x.
b. Hence find the exact value of tan(225° − x).
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a Starting with 2 sec2 x 7 tan x 17 we can substitute ...View the full answer
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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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