Solve the equation for x is larger than or equal to 0 and is smaller than 360.
1) (tanx)^2 + (1-√3)tanx = √3
Maths F.5 Trigonometry
2011-09-25 4:46 am
回答 (1)
2011-09-25 5:06 am
✔ 最佳答案
1 Let y = tanxy^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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