Using the identity
2
θ
+
2
θ
=
1
sin
2
θ+cos
2
θ=1, find the value of
cos
⁡
θ
cosθ, to the nearest hundredth, if
sin
⁡
θ
=
−
0.31
sinθ=−0.31 and
π
<
θ
<
3
π
2
π<θ<
2
3π

.

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts. which pair of fraction cannot be used to find how many pounds of nuts she bought in all.

How do you determine if an ordered pair is a solution to a given equation?

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32