Given that sin 2/5 and that is acute, find the exact values of a. cos
Question:
Given that sin θ √2/5 and that θ is acute, find the exact values of
a. cos θ
b. tan θ
c. 1 – sin2 θ
d. sin θ + cos θ
e. cos θ – sin θ/tan θ.
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Step by Step Answer:
a To find the value of cos we can use the Pythagorean identity sin2 cos2 1 Given that sin 25 we can ...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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