Math, asked by saikoushik54, 9 months ago

Evaluate cos 170.cos 150.cos 130.cos 110.

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Answered by Anonymous

14

Answer:

here u go

.. in picture

Step-by-step explanation:

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Answered by Anonymous

4

Step-by-step explanation:

answer is 3/16

cos170 × cos150 × cos130 × cos110

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