Ask Question
3 January, 18:51

If sin 2X = COS ZY and m2X = 72°, what is the measure of ZY?

18°

072°

90°

108°

+2
Answers (2)
  1. 3 January, 19:12
    0
    18°

    Step-by-step explanation:

    sin 2x=cos zy

    m (2x) = 72°

    cos (π/2-a) = sin a

    cos (π/2-72°) = sin72°

    cos18°=sin72°

    =>m (zy) = 18°
  2. 3 January, 19:20
    0
    The answer would be 18'
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If sin 2X = COS ZY and m2X = 72°, what is the measure of ZY? 18° 072° 90° 108° ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers