Secant, cosecant and cotangentEdexcel International A Level Maths: Mind map

Exam questions on Secant, cosecant and cotangent

1. The angle $\theta$ is acute and $\sin\theta=\frac{5}{13}$.
   Find the exact value of $\sec\theta+\operatorname{cosec}\,\theta$.2 marks
2. Throughout, $x$ is measured in radians, and each function is considered only where it is defined.
   Write $\dfrac{\operatorname{cosec}\,x}{\cot x}$ as a single trigonometric function.2 marks
3. Angles are measured in degrees and $0\le\theta<360$.
   Solve $\sec\theta=-2$.3 marks