When x= 2 the corresponding y value is 6, according to the point 2,6
Answer:
Given the expression: 
Let the value of the given expression in radians be 
then;

......[1]
We know the value of 
Substitute the given value in [1] we have;

Since, the value of
is 0, therefore, the value of
is in the form of:
; where n is the integer.
At n =0, 1 and 2, {Since, n is the integer}
Value of
and
therefore, the answer in radians either
or
Number 21 is the first answer a.) 8
Answer:
Step-by-step explanation:
[0,7)
because the dot is colored in you need to have the bracket