[代數] 一題三角函數處理請教.
遇到一題三角函數處理如下:
0.2= (V/0.6)sinX
-0.1=-(V/0.6)cosX+(V^2/0.6)
手邊的答案:
V=0.92
X=-7.5
算了幾次無法求得結果,想請教一下網友,謝謝.
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