Date: Practice: Center On In
Text to Speech
Find the missing angle and arc measures in the figures below. Point A is the center of each circle.
Markup
1 m BC =105°
B
Comment
I Text Box
18-
mZBAC =
Equation
A
mBDC =
D
Drawing
Shapes
Eraser
2. mDF = 70° and mDE =130°
E
Add Media
mZDAF =
Signature
mEF
mZDEF =

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .