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標題:
Maths F.5 Trigonometry
發問:
Solve the equation for x is larger than or equal to 0 and is smaller than 360. 1) (tanx)^2 + (1-√3)tanx = √3
最佳解答:
1 Let y = tanx y^2 + (1 - √3)y - √3 = 0 (y - √3)(y + 1) = 0 y = -1 or √3 So, tanx = -1 or √3 x = 60, 135, 240, 315
Maths F.5 Trigonometry
發問:
Solve the equation for x is larger than or equal to 0 and is smaller than 360. 1) (tanx)^2 + (1-√3)tanx = √3
最佳解答:
1 Let y = tanx y^2 + (1 - √3)y - √3 = 0 (y - √3)(y + 1) = 0 y = -1 or √3 So, tanx = -1 or √3 x = 60, 135, 240, 315
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