Question

In the right angled triangle of sides 3, 4,5
sin 53° =
4
then cos 53°​

Answer 1

Answer:

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Answer 2

Given:

A triangle with sides 3, 4 and 5

Sin53° = 4/5

To Find:

The value of Cos53°

Solution:

Sin 53 = 4/5

Since Sin²53° + Cos²53° = 1

Hence,

$Cos 53 =\sqrt{1-(4/5)^{2} } = 3/5$

Hence the required answer is 3/5

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