Refer to the pic above.
Concepts used :
1. Trigonometric Properties
2. Domain limitation
3. assumption
What book do you need these answers from?
Answer:
I think the answer is b
Step-by-step explanation:
3cos(x)+3
Answer:
y= 128, x=52
Step-by-step explanation:
The Sum of all the angles in a quadrilateral is 360.
y is 128 because both those angles are equal
the other 2 angles are also equal to each other.
360 - 128-128= 104
104/2 is 52