Quantitative Aptitude Test 107

Test # 107


1.
The value of cos 20° + cos 40° +cos 60°+ ......+ cos 160° + cos 180° is:

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Quantitative Aptitude
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back-to-back
something follows immediately after something else, two people touching backs
There were two back-to-back games today because of the rain last week. We sat back-to-back during the contest.

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