The expression (sin 22^(@)cos 8^(@)+cos ...

The expression `(sin 22^(@)cos 8^(@)+cos 158^(@) cos 98^(@))/(sin 23^(@) cos 7^(@)+cos 157^(@) cos 97^(@))` when simplified reduces to

A

`sec (-100pi)`

B

`cosec (-(3pi)/2)`

C

`sin ((7 pi)/2)`

D

`cot ((5 pi)/4)`

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