Question
Tue September 04, 2012 By: Gursimran Kaur
 

Sir What are Allied angle formulae? How do we find them For the 6 Trigonometric function?

Expert Reply
Wed September 05, 2012
Two angles are said to be allied if their sum or difference is a multiple of 90°. For example, 30° and 60° are allied, 150° and -30° are allied.
 
Trigonometric ratios for allied angles:
 
For more details, please watch the video lesson available on our site.
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