(main)[6]
Find all solutions of $2\cot^2\theta - 5\cosec\theta = 10$ for $0^\circ \leq \\theta \leq 360^\circ$.
Mathematics 9709 · AS & A Level · Trigonometry
Trigonometry — practice question
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correctly use a trigonometric identity to turn the equation into a quadratic in $\cosec\theta$ or $\sin\theta$” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI