F ind all values of x in the range 0° <= x <= 180° satisfying tan(x+45°)= 8tan(x)

tan(x)+tan(45)/1-tan(x)tan(45) = 8tan(x)

8tan2(x)-7tan(x)+1=0

tan(x)=0.6952 or 0.1798

x = arctan(0.6952) = 34.8070 deg and arctan(0.1798) = 10.1932 deg

TM
Answered by Tomos M. Maths tutor

5683 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Pushing a mass up a slope and energy


Simplify fully: (5 +√7)/ (2+√7)


What does differentiation actually mean?


How would you integrate ln x


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences