If 0ltthetalt90^(@),0ltphilt90^(@)and"co...

If `0ltthetalt90^(@),0ltphilt90^(@)and"cos"thetalt"cos"phi`, then which one of the following is correct ?

A

`thetaltphi`

B

`thetagtphi`

C

`theta+phi=90^(@)`

D

No conclusion can be drawn

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