8.) simplify.
cot^2 0 - cot ^2 0 cos ^2 0
a.) tan^2 0
b.) -1
c.) 3
d.) sin ^2 0
e.) cos^2 0

The answer to your question is letter E. cos²α

Step-by-step explanation:

                            cot²Ф  - cot²Фcos²Ф

Remember that    cot = ; substitute in the previous equation

                                                      Factor  cos²α

Remember that   sin²α = 1 - cos²α

Simplify

                              cos²α

logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.

2

step-by-step explanation: