(i)[3]
Find the exact value of $\tan\theta$.
(ii)[3]
Use a suitable formula to determine the exact value of $\tan(\theta + 135^\circ)$.
Mathematics 9709 · AS & A Level · Trigonometry
Find the exact value of $\tan\theta$.
Use a suitable formula to determine the exact value of $\tan(\theta + 135^\circ)$.
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use the identity $\sec^2\theta=1+\tan^2\theta$ to rewrite the expression.” …