Solve each equation for 180 < x < 180. a. cosec 2 x = 4 b. sec
Question:
Solve each equation for −180° < x < 180°.
a. cosec2 x = 4
b. sec2 x = 9
c. 9 cot2 1/2 x = 4
d. sec x = cos x
e. cosec x = sec x
f. 2 tan x = 3 cosec x
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Step by Step Answer:
a Starting with cosec2 x 4 we take the reciprocal of both sides to get sin2 x 14 Taking the square root of both sides gives sin x 12 Since we want sol...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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