i also have doubts on this question

Asked by  | 23rd Apr, 2012, 11:35: AM

Expert Answer:

We would request you to clarify teh highlighted part:
[cosec^2(65) - tan^2(25)]/[sin^2(17)+sin^2(73)]+(1/?3)*(tan10*tan30*tan80)

Answered by  | 23rd Apr, 2012, 11:57: AM

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