1.

Evaluate : (sec theta ."cosec" (90^(@) - theta) - tan theta.cot (90^(@) - theta) + sin^(2) 55^(@) + sin^(2) 35^(@))/(tan 10^(@).tan 20^(@).tan 60^(@).tan 70^(@).tan 80^(@))

Answer»


ANSWER :`(2 SQRT(3))/(3)` .


Discussion

No Comment Found

Related InterviewSolutions