State the trigonometric identities for sin2x, cos2x and tan2x
sin2x = 2sinxcosx cos2x = cos^2(x) - sin^2(x) tan2x = (2tanx)/(1-tan^2(x))
JS
Related Maths A Level answers
All answers ▸A car is accelerating at 2 ms^-2 along a horizontal road. It passes a point A with a velocity of 10 ms^-1 and later a point B, where AB = 50m. FInd the velocity of the car as it passes through B.
How will you simplify (3 xsquare root of 2) to the square?
What is the integral of (6x^2 + 2/x^2 + 5) with respect to x?
Prove 2^n >n for all n belonging to the set of natural numbers