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 ▸Square ABCD has length (x+3)cm and area 10cm^2. Show x^2 + 6x = 1
Solve the equation x^2-9x+20
Suppose we have a circle with the equation x^2 +y^2 =25. What is the equation to the tangent to the circle at point (4,3)?
In a class there are 12 girls and 18 boys. what proportion of the girls are there in the class? Simplify