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Laws and Identities

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1) cscθsinθ-sin^2θ2)sinθcscθ/tanθ 3)secθ/cotθ+tanθ 4)(1-cosθ)(1+cosθ)
1. 3 answers
2. asked by cindy
3. 826 views
If 13 sin x + 5= 0 and x є (0º; 270º) calculate the sum of 2x
1. 2 answers
2. asked by Michelle
3. 549 views