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 ▸

Find x when 2x-3=5


Solve 6x^2-13x=5


The y-intercept of A is 7. A also passes through point (7, 2). (a) Find an equation of A in the form y = mx + c. (b) B is perpendicular to A and also has a y-intercept of 7. Write down the equation for B in the form y = mx + c.


How do you solve a quadratic equation?