Given that sin 2 5 and that is acute, find the exact values of a cos b tan c 1 sin 2 d sin cos e cos sin tan ...

a To find the value of cos we can use the Pythagorean identity sin2 cos2 1 Given that sin 25 we can ...

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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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 27, 2021 12:58 AM

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Given that sin 2/5 and that is acute, find the exact values of a. cos

Question:

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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

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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