IPMAT Indore 2020 (MCQ) - The value of ^2(/8) + ^2(3/8) + ^2(5/8) + ^2(7/8) is | PYQs + Solutions | AfterBoards
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IPMAT Indore 2020

Geometry
>
Trigonometry

Hard

The value of cos⁡2(π8)+cos⁡2(3π8)+cos⁡2(5π8)+cos⁡2(7π8)\cos^2\left(\frac{\pi}{8}\right) + \cos^2\left(\frac{3\pi}{8}\right) + \cos^2\left(\frac{5\pi}{8}\right) + \cos^2\left(\frac{7\pi}{8}\right) is

Correct Option: 3

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