Find the value of cos 10-cos 20-cos 90-

The correct option is C 0To find: cos 1^o× cos 2^o× ....× nbsp; cos 90^o We know that, cos 90^o = 0. nbsp; ∴ cos 1× nbsp;cos 2^o× ....cos 89^o× 90^o ...

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Standard X

Mathematics

Standard Values of Trigonometric Ratios

Find the valu...

Question

Find the value of $c o s 1^{o} \times c o s 2^{o} \times . . . . \times c o s 90^{o}$ .

-1

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Solution

The correct option is C 0.0
To find: $c o s 1^{o} \times c o s 2^{o} \times . . . . \times c o s 90^{o}$

We know that, $c o s 90^{o} = 0$ .

$∴ c o s 1 \times c o s 2^{o} \times . . . . c o s 89^{o} \times 90^{o} = 0$

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Find the value of cos 1o×cos 2o×....×cos 90o.

The correct option is C 0.0To find: cos 1o×cos 2o×....×cos 90o We know that, cos 90o=0. ∴cos 1×cos 2o×....cos 89o×90o=0

Find the value of $c o s 1^{o} \times c o s 2^{o} \times . . . . \times c o s 90^{o}$ .

The correct option is C 0.0
To find: $c o s 1^{o} \times c o s 2^{o} \times . . . . \times c o s 90^{o}$

We know that, $c o s 90^{o} = 0$ .

$∴ c o s 1 \times c o s 2^{o} \times . . . . c o s 89^{o} \times 90^{o} = 0$