Ask Question
15 May, 08:05

Prove the following 1 - sin A sin (90-1) / cot (90-a) = sin^2 A

+1
Answers (1)
  1. 15 May, 11:40
    0
    Im going to assume its (90 - A) so we have:-

    1 - sinA sin (90 - A) / cot (90 - A)

    Convert to sines and cosines:-

    = 1 - (sin A cos A) / cos (90 - A) / sin (90 - A)

    = 1 - (sin A cos A) / sin A / cos A

    = 1 - cos^2 A

    = sin^2 A which is what is required.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Prove the following 1 - sin A sin (90-1) / cot (90-a) = sin^2 A ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers