The function f f\,f is defined by f(x)=arctanxf(x) = \arctan xf(x)=arctanx for x∈Rx \in \mathbb{R}x∈R.
Sketch the graph of y=f(x)y = f(x)y=f(x), stating the equations of its asymptotes.
Using set notation, state the range of fff.
The function g g\,g is defined by g(x)=arccosxg(x) = \arccos xg(x)=arccosx, where g g\,g has its greatest possible domain.
Using set notation, state the domain and the range of ggg.
Show that arccosx+arcsinx=π2\displaystyle \arccos x + \arcsin x = \frac{\pi}{2}arccosx+arcsinx=2π for −1≤x≤1-1 \leq x \leq 1−1≤x≤1.
225 exam-style questions on WJEC A Level Maths 3.5 Trigonometry (A-level only), covering 3.5.1 Trigonometry (A-level only), 3.5.2 Trigonometry (A-level only), 3.5.3 Trigonometry (A-level only), 3.5.4 Trigonometry (A-level only), 3.5.5 Trigonometry (A-level only), 3.5.6 Trigonometry (A-level only), 3.5.7 Trigonometry (A-level only), and 3.5.8 Trigonometry (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.