Maths

Why we should take 15cotA=8as8/15

Shilpa Raut Shilpa Raut's image
Shilpa Raut Shilpa Raut
Oct. 12, 2018, 4:18 p.m.

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Shishu Pal's image
Shishu Pal
Oct. 12, 2018, 5:50 p.m.

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