Question

If cos A = 8/ 17 , calculate sin A and Tan A .

Answer 1

given that cos A=8/17..........adj/hyp

Now finding the other side of the triangle,

=root(17²-8²)

=root(289-64)

=root(225)

=15.........[235=15²]

therefore sin A=15/17 and tan A=15/8