Sat June 02, 2012 By:

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 ?

Expert Reply
Sun June 03, 2012
We would request you to please ask one question at a time. The solution to your first problem is as follows:
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