How to calculate sin, cos and tan

SOH CAH TOA (imagining each as a triangle)

S = sin

C = cos

T = tan

O = opposite

H = hypotenuse

A = adjacent

PH

Related Maths GCSE answers

All answers ▸

Solve 0=X^2 +5x +4


How do I find the equation of a straight line?


How do I solve simultaneous equations when one of the equations is not linear?


By completing the square, find the solutions of x which satisfy the equation x^2+14x-1=0