answer.
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
romanna [79]
2 years ago
14

I) Solve the equation sin2x + 3cos2x = 0 (for 0 till 360°)

Mathematics
1 answer:
galina1969 [7]2 years ago
7 0
Get rid of cos2x by dividing both the values. So Sin2x/cos2x +3cos2x/cos2x.
Tan2x = 3
2x = -71.5 so x is -35.6
Use the quadrant method and add 360 twho the two values tou get.
You might be interested in
Which transformation causes the described change in the graph of the function y = cos x?
tia_tia [17]
A: a horizontal shrink would be caused by cos 3x.
B: a vertical stretch would be caused by 3 cos x
C:  a horizontal stretch would be caused by cos (1/3)x
D: a vertical shrink would be caused by 1/3 cos x.
4 0
2 years ago
Read 2 more answers
How long is bob's journey from aberystwyth to shrewsbury
steposvetlana [31]

Answer: bob will take a while

Step-by-step explanation:

4 0
1 year ago
A swimmer can swim 50.2 meters in 1 minute. How far can he swim in half an hour? *
belka [17]

Answer:

1506meters

Step-by-step explanation:

1hour-60minutes

which means half an hour is 30minutes,so it's more like they are asking you to find how far the swimmer can swim in 30minutes

50.2-1min

x -30min

x=50.2×30

x=1506meters

6 0
2 years ago
Read 2 more answers
Question 2 (1 point)
Salsk061 [2.6K]
4x+8=-x+10.
+1x +1x. =5x+8=10
sorry didn’t know how to put it into words
3 0
2 years ago
the population of Ketcham high school has been decreasing by 5 % per year.if it's population is currently 2600 which of the foll
kap26 [50]
5% = .05
2600 x .05 = 130
130 x 2 = 260
2600 - 260 = 2340

The population will be 2340 people.
6 0
2 years ago
Other questions:
  • N triangle xyz, m∠z > m∠x m∠y. which must be true about △xyz?
    13·2 answers
  • In one year, the McAlister family drove their car 15,680 miles. To the nearest thousand, how many miles did they drive their car
    14·2 answers
  • Cate pahare de 10 cl se pot umple ce sucul dintr-o cutie de 100 cl?
    14·1 answer
  • Sasha can walk 6 miles in 3 hours. If she has to walk 1 mile, how long will it take her?
    9·2 answers
  • Three tenths of a number is 2.1 . Determine the number
    6·2 answers
  • The principal is collecting data to determine how many graduation tickets will be needed by students at the next graduation. She
    7·2 answers
  • The XO Group Inc. conducted a survey of 13,000 brides and grooms married in the United States and found that the average cost of
    15·1 answer
  • 90 hazelnuts have a mass of 125g. Hazelnuts have 630 calories per 100g. Work out the number of calories per hazelnut.
    13·1 answer
  • Max's cell phone plan charges a monthly
    14·1 answer
  • If 2 tacos and 5 drinks cost $20, And three tacos and five drinks cost $25 how much does a taco cost
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!