Prove that Sin(45+theta)-sin(45-Theta)is equal to root2 sin theta

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Prove that Sin(45+theta)-sin(45-Theta)is equal to root2 sin theta

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Delilah 2 weeks 2021-09-10T14:06:45+00:00 1 Answer 0 views 0

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    2021-09-10T14:08:09+00:00

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18:9+8+9*3-7:3-1*13 = ? ( )