Prove that Sin5x sin3x/cos3x cos5x =tan4x
Hello guys I just want to say that plz upload the details of triangles,perimeter and area and what ever is left to be uploaded. Plz do it as soon as possible.
With regard
Suraj
Solve the following pair of linear equations by cross multiplication method : 2x+y=5 , 3x+2y=8