Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel.
1 answer:
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The value of sin(30°) is 1/2.
<h3>What is Trigonometry?</h3>The branch of mathematics concerned with specific functions of angles and their application to calculations.
The diagram is attached below:
We know,
sin 30= Perpendicular/ Hypotenuse.
As, the hypotenuse is the opposite side of the right angle and the perpendicular is opposite to the given angle.
So,
sin 30 = 5/10
sin 30 = 1/2
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Answer:
A is your answer
Step-by-step explanation:
So, you start with 4 .
If you subtract 4 from nine, you get 5.
Now, you subtract from 5, which ends in 4