Given that tan 25 = a, express each of the following in terms of a. a. tan205
Question:
Given that tan 25° = a, express each of the following in terms of a.
a. tan205°
b. sin25°
c. cos65°
d. cos245°
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a tan205 We can use the identity tanx 180 tan x to find the value of tan 205 tan 205 tan 205 180 tan ...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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