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
Talja [164]
3 years ago
14

What are all the exact solutions of square root2 cosx -1 = 0 for 0 <= x <= 2pi? Give you answer in radians.

Mathematics
2 answers:
nadya68 [22]3 years ago
7 0

Answer:

Option 2 - x=\frac{\pi}{4},\frac{7\pi}{4}  

Step-by-step explanation:

Given : Expression \sqrt{2}\cos x-1=0 for 0\leq x\leq 2\pi              

To find : What are all the exact solutions of expression?

Solution :  

First we simplify the expression,

\sqrt{2}\cos x-1=0

\sqrt{2}\cos x=1            

\cos x=\frac{1}{\sqrt{2}}      

The general solution is            

x=\frac{\pi}{4}+2\pi n,\frac{7\pi}{4}+2\pi n          

For 0\leq x\leq 2\pi                  

The solution is  x=\frac{\pi}{4},\frac{7\pi}{4}  

Therefore, Option 2 is correct.

Allushta [10]3 years ago
4 0

Answer:

pi/4 and 7pi/4

Step-by-step explanation:

attached

you're welcome :>

You might be interested in
If a mole of sodium chloride weighs approximately 58 grams, and you have 29 grams of sodium chloride, how many moles of sodium c
Alexus [3.1K]
The answer is <span>A.0.5 moles 

</span><span>a mole of sodium chloride weighs approximately 58 grams: 1 M - 58 g
</span><span>you have 29 grams of sodium chloride, how many moles of sodium chloride do you have: xM - 29g

1 M : 58g = x : 29 g
x = 1 M : 58g * 29 g = 0.5 M</span>
7 0
3 years ago
Round 96.466 to the nearest hundredth=
DedPeter [7]
96.47 would be your answer rounded to the nearest hundredth
3 0
3 years ago
Read 2 more answers
Help do I need to measure what's on the paper or measure a real object ???
MArishka [77]
I think its on the paper but not sure
8 0
3 years ago
What (3×5^2)/(5)^2 equal? Plz answer fast and with work and I will give brainliest
balu736 [363]

Answer:

The answer is 3.

Step-by-step explanation:

Given that the Indices Law is,

{a}^{m}  \div  {a}^{n}  =  {a}^{m - n}

{a}^{0}  = 1

So the expression is :

3 \times  {5}^{2}  \div  {5}^{2}

= 3 \times  {5}^{2 - 2}

= 3 \times  {5}^{0}

= 3 \times 1

= 3

4 0
3 years ago
Describe the relationship between the values of the independent and dependent variables (plz help)
Vadim26 [7]
Dependent variable is the variable that changes due to the independent variable, independent variable is the variable that scientists change on purpose.

5 0
3 years ago
Other questions:
  • Can someone solve this problem for me? Show me your steps to solve this problem as well.
    12·1 answer
  • Which of the following is the solution set of 18 - 3n + 2 = n + 20 - 4n
    10·1 answer
  • i think of a number.it is less than 20.i can make this number by adding two,three or five consecutive numbers. what is my number
    14·2 answers
  • From a group of five boys and seven girls, two boys and three girls will be selected to attend a conference. In
    12·1 answer
  • Help meeeeeeeeeeeeeeeeeeeeeeeeee
    11·1 answer
  • BRAINLIST
    15·1 answer
  • 6,10,16,24,34 nth term can youll please find​
    9·2 answers
  • 1; 4; 16; 64; ...<br>what is the general term ​
    15·1 answer
  • Please help I’ll mark brainliest please!!!!!
    7·1 answer
  • Which expressions are equivalent to 3(4h + 2k)?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!