Look at the figure below: an image of a right triangle is shown with an angle labeled y degrees. if sin y° = 9 divided by c. and tan y° = 9 divided by d. ,what is the value of cos y°?

Step-by-step explanation:

Given :  

We have to find the value of .

Consider the right angled triangle ABC with right angle at B.

Using trigonometric ratio,

We know

Given that  

On comparing, we get,

base = d , hypotenuse = c and perpendicular = 9

For

We know

Thus, substitute we get,

Cos y° = d/c

Step-by-step explanation:

In the image of a right angle triangle ABC attached

and

Now from these information given in the question we can easily find the value of cosy which will be

This the answer of the question cosy = d/c

207/8 is the right

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