If θ is an acute angle and sinθ = 0.8, find the values of cosθ and tanθ.?
回答 (1)
2017-08-11 2:10 pm
cos θ = √(1-0.8^2) = 0.6 .....Ans
tan θ = sin θ / cos θ= 0.8/0.6 = 4/3 ......Ans
tan θ = sin θ / cos θ= 0.8/0.6 = 4/3 ......Ans
收錄日期: 2021-04-26 15:41:48
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