Answer:
Step-by-step explanation:

Hint: 1 - Cos² A = Sin² A
Answer:
Correct choice is 
Step-by-step explanation:
1. If
then you can find the inverse 

2. If
then

3. Hence,

Answer: 10 : t = 16 11 : x = -8 13 : x = 0
Step-by-step explanation: Im sure about 10 and 11 but not too sure about 13 and explanations are too hard for me to explain
5x^4(x^3+8x+6) this is the correct answer
Anything to the zeroth power is equal to 1. (The numerator is equal to one because of this rule)
So.
