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Plz solve this, this a question of iit pace entrance (mains) cos1*cos2*cos3*........cos179.

Plz solve this, this a question of iit pace entrance (mains)
cos1*cos2*cos3*........cos179.

Grade:10

2 Answers

Arun
25763 Points
4 years ago
I
Arun
25763 Points
4 years ago
cos 1 cos 2 cos 3......cos 179cos 1× cos 2× cos 3× ..........cos50×cos51.........cos89× cos 90........cos179

As cos90 has the value 0 the whole answer will be zero.

cos 1× cos 2× cos 3× ..........cos50×cos51.........cos89× 0........cos179

=0 is the answer

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