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harkovskaia [24]
3 years ago
12

Angle x is an acute angle in a triangle. If cos x=4/5, then the sin x=

Mathematics
2 answers:
Pepsi [2]3 years ago
8 0
The answer is 3/5 because u need to find the missing side in order to find sin

vampirchik [111]3 years ago
5 0

Answer:

\bf \sin x =\frac{3}{5}  

Step-by-step explanation:

Angle x is an acute angle in a triangle.

The measure of cosine angle is given to be :

\cos x = \frac{4}{5}

Now, we need to find the measure of the sine angle for the same triangle.

\cos x = \frac{Base}{Hypotenuse}

⇒ Base = 4 units and Hypotenuse = 5 units

So, Length of perpendicular = 3 units ( By using Pythagoras theorem)

\sin x=\frac{Perpendicular}{Hypotenuse}\\\\\implies\bf \sin x =\frac{3}{5}

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