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
Answered by James S. Maths tutor

19878 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

How to find and classify stationary points (maximum point, minimum point or turning points) of curve.


Find the coordinates of the minimum point on the curve: y = x^2 - x - 2


How do I simplify surds?


C1 June 2014 Q)4 - https://pmt.physicsandmathstutor.com/download/Maths/A-level/C1/Papers-Edexcel/June%202014%20QP%20-%20C1%20Edexcel.pdf


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning