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CIE 9709 2025 June Paper 13 Q5

A Level / CIE / P1

CIE 9709 2025 June Paper 13 Paper · Question 5

题目

Problem

Solve the equation 4sinθtanθ=1+5cosθ4\sin\theta\tan\theta = 1 + 5\cos\theta for 180<θ<180-180^\circ < \theta < 180^\circ.

[6]
题目中文翻译

180<θ<180-180^\circ < \theta < 180^\circ 范围内,解方程 4sinθtanθ=1+5cosθ4\sin\theta\tan\theta = 1 + 5\cos\theta

[6]

解答