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Using half angle identities what is the exact value of sin(9pi/8)

Using half angle identities what is the exact value of sin(9pi/8)
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Using half angle identities what is the exact value of sin(9pi/8)

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User Gce
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1 Answer

3 votes

Explanation:

first you put it in degree mode by multiplying 9pi/8 by pi/180.

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User Linkmichiel
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