If cos–1x > sin–1 x, then
Plotting cos-1 x and sin-1 x, we get,
As, graph of cos-1 x is above graph of sin-1 x in 
.
So, cos–1x > sin–1 x for all x in 
.
37
If cos–1x > sin–1 x, then
Plotting cos-1 x and sin-1 x, we get,
As, graph of cos-1 x is above graph of sin-1 x in .
So, cos–1x > sin–1 x for all x in .