Ask Question
1 September, 02:28

Find ϴ in the equation sin (ϴ + 15) = cos (2ϴ)

a. 50

b. 75

c. 25

d. 40

+1
Answers (1)
  1. 1 September, 02:40
    0
    The answer is c. 25

    sin (ϴ + 15) = cos (2ϴ)

    sin (ϴ + 15) = sin (25 + 15) = sin (40) = 0.64

    cos (2ϴ) = cos (2x25) = cos (50) = 0.64

    so ϴ=25
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Find ϴ in the equation sin (ϴ + 15) = cos (2ϴ) a. 50 b. 75 c. 25 d. 40 ...” 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