Step-by-step explanation:
Reflection on x-axis;
A(4,-5)=A'(4,5)
I agree with your answer "supplementary". The two angles combine to form 180 degrees, aka a straight angle
Your teacher seemed to have made a typo.
Answer:
hmhmhmhh hkm ntyiod dfov
Step-by-step explanation:
Answer: The result can be shown in multiple forms.
Exact Form:
−
√
3
/2
Decimal Form:
−
0.86602540
…
Step-by-step explanation:
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the fourth quadrant.
−
sin
(
π/3
)
The exact value of
sin
(
π
/3
) is √
3
/2
.
−
√
3
/2
Answer:
Lana is 15 and Susan is 30
Step-by-step explanation:
let Lana's age=x
Susan's age=2x
Their ages four years ago:
Lana=x-4
Susan=2x-4
Now their ages 4years ago was 37 so:
x-4+2x-4=37
3x-8=37
3x=37+8
3x=45
x=15
Since Lana's age is x,she is 15years
Since Susan's age is 2x,she is 30years
