Trigonometry

Asked by  | 10th Apr, 2009, 12:56: PM

Expert Answer:

cosA=-1/2

A lies in the third quadrant.

So,

sin, cos, cosec, sec ratios will be negative.tan and cot ratios will be positive.

 

Answered by  | 10th Apr, 2009, 04:18: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.