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
see if this helps
definitions
congruent
1.in agreement or harmony
"institutional and departmental objectives are largely congruent"
2. identical in form; coinciding exactly when superimposed.
My teacher always told me if you dont know the answer choose c.
Answer: -1/2 and 1/3
Step-by-step explanation:
Sharon's age= 2x
Brian's age= x
(2x-5)+(x-5)= 25
3x-10=25
3x=15
x=5
Brian is 5 years old and Sharon is 10