Seudónimo Seudónimo
  • 24-10-2018
  • Mathematics
contestada

What is cos 45°?

A. [tex]\frac{1}{\sqrt{2}}[/tex]
B. 1
C. [tex]\frac{1}{5}[/tex]
D. [tex]\sqrt{2}[/tex]

What is cos 45 A texfrac1sqrt2tex B 1 C texfrac15tex D texsqrt2tex class=

Respuesta :

trevordoyleione
trevordoyleione trevordoyleione
  • 24-10-2018

cos is (adjacent)/(hypotenuse)

cos = 1/√2

A (however typically we would rationalize the denominator)

Answer Link

Otras preguntas

translate the following sentence into an equation: four times a number increased by twenty-five is thirteen less than six times the number
Bob has 6 more times than quarters. He has $1.65 in all. How many coins of each type does he have?
A relationship in which one organisms benefits while the other is not harmed but does not benefit either is called
Draw a quick picture of 3 hundreds
A phone plan as a limit of $25 that can be spent on text messages. The base cost of the text plan Will cost a user five dollars. Each text will cost $0.05. How
What is the correct time signature for this rhythm? A . 4/4 B. 3/4 C. 2/4
Let C be a circle with radius 2–√. Which of the following statements is true? The area of C is a rational number because it is the product of 2, a rational num
Jamie has to enter the names, grades, and scores of a group of students into a worksheet. Which option will Jamie use to describe the data? A.labels B.graphs C.
Borrowing a fancy necklace is important to Matilda because
Which property is shown? If x = 12, then 12 = x A. Transitive Property B. Commutative Property of Multiplication C. Reflexive Property D. Symmetric Property