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If tan⁡ x=−15/8, and 3π/2 < x < 2π, find cos⁡(x−π/4).
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If tan⁡ x=−15/8, and 3π/2 < x < 2π, find cos⁡(x−π/4).

User Nykakin
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1 Answer

3 votes

Answer:

cos (x)=8/17

Explanation:

User Clienthax
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