please solve it.......
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let @ be theta
given
cos 9@=sin@
sin@/cos@=9
tan@=9
tan5@=9*5
tan5@=45
so 1 is the answer
given
cos 9@=sin@
sin@/cos@=9
tan@=9
tan5@=9*5
tan5@=45
so 1 is the answer
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