Question:
If cos θ = 5/13, find sin θ.
यदि cos θ = 5/13 हो, तो sin θ ज्ञात करें।
Options:
- a) 12/13
- b) 8/13
- c) 5/12
- d) 13/12
- a) 12/13
- b) 8/13
- c) 5/12
- d) 13/12
correct answer : a)
Explanation:
sin²θ+cos²θ=1. sin²θ=1-25/169=144/169. sinθ=12/13.
sin²θ=1-25/169=144/169। sinθ=12/13।