Question

Solve this fast Q. 102

Answer 1

Ans is D None of these...

Sin300=Sin(360-60)=-Sin60=-√3/2

Tan330=Tan(360-330)=-Tan30=-1/√3

Sec420=Sec(360+60)=Sec60=2

Tan135=Tan(180-45)=-Tan45=-1

Sec315=Sec(360-45)=Sec45=√2

Sin210=Sin(180+30)=-Sin30=-1/2

Put values [(-√3/2).(-1/√3).2]/(-1).√2.(-1/2)

=√3.2.2/2.√3.√2

=√2