Trigonometry: Compound Angles
Review question

Can we solve these trig equations for $x, y$ and $z$?
Add to your resource collection Remove from your resource collection Add notes to this resource View your notes for this resource

Ref: R5723
Printable/supporting materials Printable version Fullscreen mode Teacher notes

Question

Find all the angles between \(0^\circ\) and \(180^\circ\) which satisfy the equations

  1. \(\tan (x + 60^\circ) = 1\),
  2. \(8 \sin y + 3 \sec y = 0\),
  3. \(3 \sin^2 z - 8 \sin z \cos z - 3 \cos^2 z = 0\).
Previous Next

UCLES AO level Additional Mathematics 2, QP 8175/2, 1983, Q14

Question reproduced by kind permission of Cambridge Assessment Group Archives. The question remains Copyright University of Cambridge Local Examinations Syndicate (“UCLES”), All rights reserved.

 Last updated 12-Jan-17
Add to your collection Add the current resource to your resource collection
Email Twitter
Terms Cookies Privacy
Rich resources for teaching A level mathematics
Copyright © and Database Right 2013-2024 University of Cambridge
All rights reserved
University of Cambridge logo
Department for Education logo