Math, asked by Anonymous, 11 days ago

cos× cos 30+ cos× cos 45+ cos× cos 60 + cos× cos 90
=

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Answered by nihasrajgone2005

3

Answer:

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Step-by-step explanation:

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Answered by мααɴѕí

6

Answer:

Value of cos 0°. Cos 30° .cos 45° . cos 60° . cos 90° is 0.

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