solve the following for 0-2兀 . (give your answer correct to 3 ignificant figure.)
1. 18+8cotθ-13cosec^2 θ = 0
2.solve the equation sec 2θ = -cosec(兀/3) for 0-2兀 (leave your answers in term of 兀 .)
trigonometric function 1
2011-02-27 10:54 pm
回答 (1)
2011-02-28 5:50 am
收錄日期: 2021-04-23 23:22:50
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