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Asked Sep 25, 2019
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TRIGONOMETRIC FUNCTIONS
Values of inverse trigonometric functions
2
Find the exact value of cos
2
Write your answer in radians in terms of Tt
믐 미0
2
JT
COS
2
?
X
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TRIGONOMETRIC FUNCTIONS Values of inverse trigonometric functions 2 Find the exact value of cos 2 Write your answer in radians in terms of Tt 믐 미0 2 JT COS 2 ? X

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Expert Answer

Step 1

Find the exact value of

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/2 Cos 2

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Step 2

Let

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6 Cos Cose= So in an imaginary right-angled trangle, the length of the hypotenous is 2 and the length of the adjacent is J2 This means that the length of the opposite side is y (2j-2.

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