Question

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of sec C.sin A?

A) 2/√3 B) √3/2 C) 2/3 D) 1

Answer 1

Answer:

sec C means sec 30 =2/√3

sin 60 =√3/2

sec C .sin A = 2/√3.√3/2

= we get 1 Option is D