3sin x +4cos x=5 and my friend toZI on the noumber supported sites in zoology froma I am not going out toZII on the noumber supported sites in zoology from

Can you please post the question properly so that we can answer.

Once understant the problem and then again post th question properly.

 

@ asish 
your question revolves around two branches – maths and zoology , thats two opposite branch . 
KinDLY repost your ques properly what u want to nknow about trigonometry , 
u can even attach the pic , but make sure it clearly visible to us 
WAITING TO HEAR FROM YOU AGAIN