Answers

2014-12-16T20:28:52+05:30
Tan30+tan60+tan30.tan60
=1/√3 + √3 + (1/√3)×√3
=1/√3  +√3+1
=(1+3+√3)/√3
=3.309
1 4 1
Good , but i was kiding it is n't a question
rec for reporting.
you do not need to use calculator for the last step... it is not needed write numerical value.
OK
2014-12-16T20:55:29+05:30
⇒tan 30+tan 60+tan 30tan60
⇒1/√3+√3+1/√3×√3
⇒1/√3+√3+1
⇒3.309
1 5 1
ABHO
you do not need to use calculator for the last step... it is not needed write numerical value.