Ask Question
27 September, 19:22

Simplify: (sin Θ - cos Θ) 2 + (sin Θ + cos Θ) 2

+4
Answers (1)
  1. 27 September, 19:34
    0
    The answer is simply the number 2! Nice ...

    s = sin (angle), c=cos (angle) - do this in general and save some writing!

    (s+c) ^2 + (s-c) ^2 = s^2 + 2sc+c^2 + s^2 - 2sc+c^2 = 2 * (s^2+c^2) = 2*1=2!
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Simplify: (sin Θ - cos Θ) 2 + (sin Θ + cos Θ) 2 ...” 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