Notes: Section 10.4 and 10.5, The Unit Circle
The Unit Circle
The UNWL (Lirde is a cfrde cen'fed 0% the oviam wH-h om.
radius 0-? 1L, Angks are r0m¥¢Wd momwmockwise
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Algebra II C? _ Name:
Lesson Ch 10~2 Date:
Mrs. Sweet
Right Triangie Trigonometry
To nd the missing angle measure of a trigonometric function you can use an
function.
If cos 6 =.899
Then cos"l (cos 6) = cos'1(.899) take the inverse of both sides
.
\_.-
Lesson 1.7 Explicit Formuias for sequences
What is an Explicit Formuia fora sequence?
Here is a sequence of dots.
The number of dots in each of the figures above produces a sequence of numbers:
1, 3, 6, 10, 15.
These numbers are often called t