Ask Question
13 April, 17:42

Given that cosine theta = - 1/2 and theta is obtuse find sin4theta

+4
Answers (1)
  1. 13 April, 20:33
    0
    0.8660

    Step-by-step explanation:

    cosine theta = - 1/2

    theta = cosinearctan (-0.5)

    theta = 120

    sine4theta = sine 4 (120)

    = sine480

    = 0.8660
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Given that cosine theta = - 1/2 and theta is obtuse find sin4theta ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers