Question

Tai) If 3 sin A t5 (OsA= 5 then show that ssin A-3 COSA​

Answer 1

Step-by-step explanation:

3 sin A+5 cos A=5

3sin A=5(1-cos A)

Multiply by 1+cos A

3 sin A( 1+cos A)=5(1-cos A)( 1+cos A)=5 (1- cos2A)=5sin2A

3( 1+cos A)=5 sin A

5 sin A-3 cos A=3