Use the sum and different formulas for sine, cosine, and tangent to evaluate the exact values for the trigonometric function. Pls show work. - 道道学堂问答

Use the sum and different formulas for sine, cosine, and tangent to evaluate the exact values for the trigonometric function. Pls show work.

匿名用户最后更新于 2021-12-01 19:18 数学类Mathematics

cos 285° 2(3 - 1) - 2(3-1) 4 ОА Ов / 2(3 - 1) -V3(3+1) 4 Ос OD

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