B 9.5 to the nearest 10th
C 20 to the nearest whole number
Isolate the trig function and move the rest of the equation to the other side of the equals sign. Then, work backwards to find the angle. From that, you can find the tangent function. This just simplified the equation, so finally, just solve.
Answer: a is the answer
Step-by-step explanation:
Answer:
x
−
a
)
2
+
(
y
−
b
)
2
=
r
2
Step-by-step explanation:
(cos2x+cos6x)(cos2x-cos6x) =
(2 sin 4x cos 4x) (2 sin 2x cos 2x) =
sin 8x sin 4x (Answer)