1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andrews [41]
2 years ago
11

Verify that cos squared A plus Sin squared A is equal to 1 if A is equal to 90 degrees

Mathematics
1 answer:
Scilla [17]2 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

To verify cos²A + sin²A = 1 with A = 90° , then

cos²90° + sin²90°

= (0)² + (1)²

= 0 + 1

= 1

You might be interested in
Brainliest Oppurtunity, thanks.
andreev551 [17]
The first guys ticket will be 285 dollars and the 2nd guys will be 380 dollars :)
6 0
2 years ago
The perimeter of a rectangle is 24 cm. find the lengths of the sides of the rectangle giving the maximum area. enter the answers
Simora [160]
24=2*12
P=2*(l+L)
⇒ L+l=12
    ⇒ for a maximum area l=5, L=7
Area=5*7=35 

8 0
3 years ago
Find the area, circumference =6pi yd
vitfil [10]
Circumference = 2πr

Given that circumference 0s 6π, find radius:
2πr = 6π
r = 6π ÷ 2π = 3

Now that we know that the radius is 3 yard, find area:
Area = πr²
Area = π(3)²
Area = 9π = 28.27 yd²

Answer: 28.27 yd²
7 0
3 years ago
Please help at least one please number it!!!
Bond [772]

Answer:

34, 50

Step-by-step explanation:

An amount divide by 17: 34÷17=2

25 less than x: 50-25=25

4 0
2 years ago
Read 2 more answers
PLEASE HELLLLLLLLLLLLLLLLPPPPPPPPPPPP
inna [77]

Answer:

i thinks its d

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • Complete each statement from the information given and state the reasons and the triangle criterion you used.
    12·1 answer
  • Help plz due in a hour
    15·1 answer
  • What is the answer to 7(6x-4)+2x
    9·2 answers
  • Kaynard's first step in solving this rational equation is to simplify it by multiplying both sides by a common denominator. Whic
    15·1 answer
  • Marcus painted 1/3 of his bedroom in 4/5 of an hour. at this rate how long will it take him to paint his entire room
    11·1 answer
  • A golden eagle flies a distance of 290 miles in 5 days.If the eagle flies the same didstance each day of its journey how far doe
    5·1 answer
  • Lines m and n are parallel and m&lt;1=140*<br> What is m&lt;7?
    5·1 answer
  • -84 &gt; -6(2 - 3b)<br><br> Please show work!!
    13·1 answer
  • I NEED HELP ASAP!!
    6·1 answer
  • Find the measure of the angles
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!