The length of a new rectangular playing field is 2 yards longer than quadruple the width. If the perimeter of the rectangular playing field is 574 yards, what are its dimensions?

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Ответ:

sarahjdeering

06.03.2022

Mathematics

Option d -0.62

Step-by-step explanation:

To find : The cosine of the complimentary angle to 38°?

Solution :

The cosine of the complimentary angle to $\theta$

$\sin\theta=\cos(90-\theta)$

We have given the angle $\theta=38^\circ$

$\sin(38^\circ)=\cos(90-38)^\circ$

$\sin(38^\circ)=\cos(52)^\circ$

$\sin(38^\circ)=0.615$

$\sin(38^\circ)=0.62$

Therefore, Option d is correct.

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