Solve :
Follow Math Help Forum on Facebook and Google+
Originally Posted by dhiab Solve : Dear dhiab, Use the trignometric identities given below. Then you would be able to solve your problem. Hope this will help you.
Originally Posted by dhiab Solve : It follows that: Hence, Now plug into one of the above equations to learn what additional conditions and have to satisfy...
Originally Posted by dhiab Solve : x - y = π/6 .......(1) If you subtract the above two equation you will get cos(x+y) = 0 of x+y = π/2.....(2) From eq.1 and 2, find x and y.
Hello dhiab Originally Posted by dhiab Solve : Using : ... (1) Similarly: ... (2) Add (1) and (2): ... (3) Subtract (1) and (2): ...(4) Add (3) and (4): Grandad
View Tag Cloud