2012 · Q56
What is sin theta/(1+cos theta) + (1+cos theta)/sin theta equal to?
Elementary MathematicsTrigonometry
- A2 cosec theta
- B2 sec theta
- Csec theta
- Dcosec theta
Explanation
Combining gives (2+2cos theta)/(sin theta(1+cos theta)) = 2/sin theta = 2 cosec theta.