Question

(sin³theta+cos³theta/sin theta +cos theta) +sin theta costheta =1​

Answer 1

Answer:

» (sin³Ø + cos³Ø) / (sinØ + cosØ) = 1

Let, sinØ = s and cosØ = c

» (s³ + c³) / (s + c) = 1

» (s + c) (s² + c² - sc) / (s + c) = 1

» sc = 0

» Ø = nπ or n (π/2), n € N