SSC CHSL 10 Jan 2017 Shift 1 Paper

Question : 63 of 100

Marks: +1, -0

What is the value of tan-240°?

Solution:

Expression : tan-240°
∵

tan(−x) = −tan(x)

⇒

tan(−240)°= −tan(240)°

-tan(180+60)=-tan(60)°

-√3

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