Answer:
30°
Step-by-step explanation:
Line AB and BC are tangents to the given circle.


Alternatively, <ABC and <AOC are supplementary because AB and BC are tangents.


The correct choice is A.
Answer:

Step-by-step explanation:
when dividing subtract the exponents
3(5x-4) =8x+2
15x -12 =8x+2
15x-8x =2+12
7x =14
x =14/7
x=2 (ans)
The subtraction of 4 on both sides would isolate the term 1.1j, then the division of 1.1 on both sides would isolate j.
Answer:
sin90 =1
cos 90 = 0
Step-by-step explanation:
θ = 90 degrees