$c o s 1^{0} . c o s 2^{0} . . . . . . . . . c o s 90^{0} =$

0

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1

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c o t 90^{0}

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t a n 0^{0}

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Solution

The correct option is A $0$
Given,

$cos 1 cos 2....... cos 90$

since $cos 90 = 0$

The above equation is equal to $0$

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Similar questions

c o s 10^{0} . c o s 20^{0} . c o s 30^{0} . . . . . . . . c o s 80^{0} . . . . . . . c o s 900^{0} . . . . . c o s 1790^{0}

c o s 1^{0} + c o s 2^{0} + c o s 3^{0} + . . . . . . . + c o s 179^{0} =

c o s 1^{o} \times c o s 2^{o} \times . . . . \times c o s 90^{o}

cos 40^{\circ} + cos 50^{\circ} + cos 70^{\circ} + cos 80^{\circ} = cos 20^{\circ} + cos 10^{\circ}

x = cos 10^{\circ} cos 20^{\circ} cos 40^{\circ}

x

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