Answers>Maths>A Level>Article

Derive double angle formulas from addition formulae

sin2x = 2sinxcosxcos2x = cos2x - sin2x=2 cos2x - 1= 1 - 2sin2xtan2x = (2tanx)/(1-tan2x)

Answered by Alexander H. • Maths tutor

3238 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

How do you differentiate simple algebra?

Answered by

Differentiate xcos(x) with respect to x

Answered by Ioannis L.

Evaluate the integral of cos(x)sin(x)(1+ sin(x))^3 with respect to x.

Answered by

dy/dx of 2x (3x - 1)^5

Answered by Amir T.

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy|Cookie Preferences
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences