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
Sidana [21]
3 years ago
7

Sin 7A = cos 3A, then m∠A is what?

Mathematics
1 answer:
lbvjy [14]3 years ago
8 0

Answer:

m∠A = 9°

Step-by-step explanation:

\sin 7A =  \cos 3A \\  \\ \sin 7A =  \sin(90 \degree -  3A) \\  \\ 7A =  90 \degree -  3A\\  \\ 7A  + 3A=  90 \degree  \\  \\ 10A=  90 \degree  \\  \\ A =  \frac{90 \degree}{10}  \\  \\  m \angle A =9 \degree

You might be interested in
Can someone please help me with these questions? Thanks
sergiy2304 [10]
D. 800(3.14) cm cubed
7 0
3 years ago
It’s has to be in y=Mx+b that you
Fudgin [204]

Answer:

try this

Step-by-step explanation:

desmos graphing will give u answers

7 0
3 years ago
What is the radius and diameter of the following circle
son4ous [18]
Radius is 11cm
diameter is 22cm
7 0
3 years ago
If £1 is 1.18 euros how much pounds will theo get if he has 407.10 euros
Black_prince [1.1K]

Answer:

345.

Step-by-step explanation:

Just divide 407.10 by 1.18 and you'll get your answer.

4 0
3 years ago
Write a percent that has a value between the two decimals 0.4 and 0.5
Juliette [100K]
A percent would be 0.45 
5 0
3 years ago
Other questions:
  • PLEASE HELP!!!A baseball pitcher pitches a ball at a speed of 92 miles per hour. What conversion factors can be used to find the
    6·2 answers
  • Help me please Nd thankyou
    13·1 answer
  • 2 different shapes with an area of 6 square units and perimeter of 12 units
    5·1 answer
  • Simplify 12st over 4t
    8·1 answer
  • What is the value of x?
    10·2 answers
  • Using trig to solve for missing angle
    10·1 answer
  • Calculate the mean of 7, 3, 5, 6 , 0. Single choice.
    8·1 answer
  • Katelyn had $132. She spent $28 buying gifts for her friends and $32 on books. Estimate how much money she has left by first rou
    6·1 answer
  • -16 + x=15 one step equation
    6·1 answer
  • Please help I have (5 days left)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!