2013 · Q45
If a² = (1+2sinθcosθ)/(1−2sinθcosθ), then what is (a+1)/(a−1) equal to?
Elementary MathematicsTrigonometry
- Asecθ
- B1
- C0
- Dtanθ
Explanation
a=(sin+cos)/(sin−cos)... simplifies to tanθ. Answer D.
If a² = (1+2sinθcosθ)/(1−2sinθcosθ), then what is (a+1)/(a−1) equal to?
Explanation
a=(sin+cos)/(sin−cos)... simplifies to tanθ. Answer D.