Answer:
x= 4/5 or 0.8
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
-1 / 2 = -0.5
1/-2 = -/0.5
<u>Answer: </u>
sec squared 55 – tan squared 55 = 1
<u>Explanation:</u>
Given, sec square 55 – tan squared 55
We know that,

And,

where Ө is the angle
Substituting the values

Solving,

According to Pythagoras theorem,

Putting this in the equation;
squared 55 - tan squared 55 =

Therefore, sec squared 55 – tan squared 55 = 1
Answer:
44
Step-by-step explanation:
C=2 pi r
2 pi 88 >>>>>> 88/2=44