Answer: 
Step-by-step explanation:
Given
The temperature on Tuesday is 
Temperature drops to
on Wednesday
Net drop in temperature 
The temperature drops twice from Wednesday to Thursday

Temperature on Thursday


Any number to the power of
is itself. So,
.
Here are some more examples:



Answer:
cos = adjacent/hypotenuse
3/square root13
now you do square root 13 x3 divided by square root 13^2
= 3square root13/13
hope that answers your question
degree to radian = angle in degree * pi/180
rad = 150 * pi/180 = 2.618 radians