Given that is an acute angle, express in terms of cos or tan : a.
Question:
Given that θ is an acute angle, express in terms of cos θ or tan θ:
a. cos (180° − θ)
b. cos (180° + θ)
c. cos (−θ)
d. cos (−(180° − θ))
e. cos (θ − 360°)
f. cos (θ − 540°)
g. tan (−θ)
h. tan (180° − θ)
i. tan (180° + θ)
j. tan (−180° + θ)
k. tan (540° − θ)
l. tan (θ − 360°)
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To express the given expressions in terms of cos or tan we can use the trigonometric identities cos ...View the full answer
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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