In A level mathematics instead of using sin−1,cos−1sin−1,cos−1sin−1,cos−1 and tan−1,tan−1,tan−1, the inverse trigonometric functions have different names. We would use arcsin, arccos and arctan. We also look at when inverse functions can exist. Functions such as...
equations • Solve quadratic equations by factorisation • Plot cubic and reciprocal graphs, recognise quadratic and cubic graphs • Trigonometric ratios in 2D right-angled triangles • Fractional scale enlargements in transformations • Lengths of arcs and areas of sectors of circles • ...