Discuss Forum

1. If cot (x-30°)=1/√3, sin x=?

  • A. 1/2
  • B. 1/2
  • C. 1/2
  • D. 1/2

Answer: Option B

Explanation:

Cot(x-30)=1/√3

Cot(x-30)=cot60

X-30 =60

X =90

~sinx=sin90

Sin90=1


Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.