Q1. if cos A +sin A = underoot 2 * sin A then find, sin A - cos A ? Q2. if sec A = 13/5 then tan A =? Q3. if 3cot A=4,then what is (cos A * cos A)- (sin A * sin A) ? Q4. in triangle PQR right angled at Q, PR+QR=25cm,PQ=5cm then what is the value of sin P ?

Asked by  | 2nd Jun, 2012, 02:48: AM

Expert Answer:

We would request you to please ask one question at a time. The solution to your first problem is as follows:
 

Answered by  | 3rd Jun, 2012, 09:29: AM

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