2012 · Q48
What is the value of sec(90 degrees - theta) * sin theta * sec 45 degrees?
Elementary MathematicsTrigonometry
- A1
- Bsqrt(3)/2
- Csqrt(2)
- Dsqrt(3)
Explanation
sec(90-theta) = cosec theta, so the product is cosec theta * sin theta * sqrt(2) = sqrt(2).