I hope this helps you
tan (13.180/8)
tan (2340/8)
tan(292,5)
-2,41
Given:
The sine function is:

To find:
The frequency of the graph of given function.
Solution:
If a sine function is defined as:

Then, the frequency of the sine function is:

We have,

Here,
. So, the frequency of the given function is:


Therefore, the correct option is D.
Answer:
perimeter of circle=2πr
16=2πr
r=16/2π=8/πcm
now.
area of circle=πr²=π(8/π)²=π×64/π²=64/(22/7)=64×7/22=20.36cm²
3.15 will be your answer i am very sure of that