Just Starting With Trigonometry

Geometry Level pending

Cos 1°.Cos 2°...........Cos 180° is equal to :


The answer is 0.

Praful Jain by Praful Jain , 21, India

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1 solution

Rawan Medhat
Sep 29, 2015

since cos ⁡ 9 0 ∘ \cos 90^\circ = 0

hence the answer is 0 \boxed { 0 }

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