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SSC CHSL 2020 PYQ — Question 60

SSC CHSL - 17th October 2020 - Shift 2 • Quantitative Aptitude • Q60

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Find the value of Cos 225o

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e -0.7071

Understanding

Tricks

Application

Cos 225o

So

cos( 270 - 45)

= -sin45

= -1/√2

Hence

= -1/1.414

= - 0.7072