Can you help me with this? Please and thank you.
1 answer:
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Answer:
1)
2)
3)
4)
Step-by-step explanation:
1) Since the whole angle is , and to find the other angle, which is labeled as
, you subtract
from
:
2) Since you already have two angle measures and
, you add them up and subtract it from
to get the angle measure for
:
3) Same thing from number 1. Subtract from
:
4) Same thing from number 2. Add and
and subtract it from
:
set f(x) equal to y
y = 19/ x^3
swap x and y
x = 19/y^3
make y the subject
xy^3 = 19
y^3 = 19/x
then just replace y with f^-1(x)
hope this helped! have a good day ~ •lipika•