Question

कॉस 1 डिग्री इनटू कॉस 2 डिग्री ..........cos 180 degree​

Answer 1

Answer:

what is written here ???????

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

ANSWER ::

Cos1° × Cos2° × Cos3° ×............ × Cos180°

= Cos1° × Cos2° × Cos3° ×......× × Cos90° ×..... × Cos180°

= 0 [ Since Cos90° = 0 ]