SOLVE

Asked by  | 26th Jun, 2008, 09:23: PM

Expert Answer:

tan 63 - cot 63

= tan 63 - tan 27

= [tan (63-27) ] [ 1+ tan 63 tan 27]

= tan 36 . (1 +tan 63 . cot 63)

= tan 36 . (1+1) = 2 tan 36

you can easily find out the value of tan 36 and hence find the answer.

Answered by  | 16th Jul, 2008, 04:01: PM

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