2013 · Q42
What is (tan A − sin A)/sin³A equal to?
Elementary MathematicsTrigonometry
- Asec A/(1−cos A)
- Bsec A/(1+cos²A)
- Csec A/(1+cos A)
- DNone of the above
Explanation
(tan−sin)/sin³ = 1/(cos(1+cos)) = sec/(1+cos). Answer C.
What is (tan A − sin A)/sin³A equal to?
Explanation
(tan−sin)/sin³ = 1/(cos(1+cos)) = sec/(1+cos). Answer C.