Write the value of cos 1° cos 2° cos 3° ....... cos 179° cos 180°.
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SOLUTION :
Given : cos 1° cos 2° cos 3° ....... cos 179° cos 180°.
cos 1° cos 2° cos 3° ....... cos 179° cos 180°.
= cos 1° cos 2° cos 3° .......cos 89° cos 90° cos 91°…….. cos 179° cos 180°.
= cos 1° cos 2° cos 3° ...... cos 89° (0) cos 91°…….. cos 179° cos 180°.
[cos 90° = 0]
= 0
Hence, the value of cos 1° cos 2° cos 3° ....... cos 179° cos 180° is zero (0) .
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Heyy Buddy ❤
Here's your Answer..
=> Cos 1° × Cos2° × cos3° ×.......... × cos180°
=> Cos1° × cos2° ×.... × cos90° ×...... Cos180°
=> Cos1° ×..... × 0 ×...... Cos180°
=> 0.
✔✔
Here's your Answer..
=> Cos 1° × Cos2° × cos3° ×.......... × cos180°
=> Cos1° × cos2° ×.... × cos90° ×...... Cos180°
=> Cos1° ×..... × 0 ×...... Cos180°
=> 0.
✔✔
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