shambhavi
Jun 5, 2012, 09:59 AM
(cot + csc-1)/(cot-csc 1)=(1 + cos)/sin
ebaines
Jun 5, 2012, 10:08 AM
(cot + csc-1)/(cot-csc 1)=(1 + cos)/sin
Hint: convert the cotangent and cosecant functions to their sine and cosine equivalents. Then I suggest mutiplying through by sin/sin. Finally note that the denominator is now of the form A-B; if you multiply through by (A+B)/(A+B) good things will happen.