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
vazorg [7]
3 years ago
8

This is a trignometry questionhope u will do for me i will mark brainliest..:)​

Mathematics
1 answer:
Anastasy [175]3 years ago
5 0

Step-by-step explanation:

\cos^{4} x -  \sin^{4} x

= ( \cos^{2} x + \sin^{2} x)( \cos^{2} x -  \sin^{2} x)

= (1 -  \sin^{2} x  + \sin^{2} x)( 1 - \sin^{2} x -  \sin^{2} x)

= 1 - 2\sin^{2} x

Note: I replaced all cos^2x terms using the identity

\cos^{2} x  = 1 -  \sin^{2} x

You might be interested in
The answer to this question
wolverine [178]
The answer is C, 150 degrees.
6 0
3 years ago
Does someone know this one please :)
GarryVolchara [31]
6/11(5/6)+2/11(5)
=5/11+10/11
=15/11
3 0
3 years ago
Please create a word problem using the concept of probability. Please provide the answer to your word problem. *
vitfil [10]

In a game of rock paper scissors, what are the chances that someone playing against a person playing only paper would win?

As for the answer, if you were to make a chart to show rock, paper, and scissors, you'd be able to see that there's a 2/3 chance of winning by choosing rock. With scissors, there's also a 2/3 chance to win. Now with paper, there's only a 1/3 chance to win. Knowing that the other person will only play paper, the best answers would be to choose either rock or scissors.

(there are, of course, flaws with this concept, because the opponent could be lying about playing only paper. More or less, it's a good design to show probability.)

7 0
3 years ago
1x10 to the fifth power over 4x10 to the negative faith power given on scientific notation
MissTica

Answer:

2.5*10^{8}

Step-by-step explanation:

<u><em>The correct question is</em></u>

1x10 to the fifth power over 4x10 to the negative fourth power given on scientific notation

we know that

To divide two numbers in scientific notation, divide their coefficients and subtract their exponents.

we have

\frac{1*10^{5}}{4*10^{-4}}=(\frac{1}{4})*10^{5+4} =0.25*10^{9}= 2.5*10^{8}

8 0
3 years ago
Two mechanics worked on a car. The first mechanic worked for
sergij07 [2.7K]
76.25 is the answer because 1525 divided by 20 equals 76.25
8 0
3 years ago
Other questions:
  • What formular for surface area of hemisphere
    10·1 answer
  • A certain forest covers an area of 3400 km2 . suppose that each year this area decreases by 7.75% . what will the area be after
    8·1 answer
  • REWRITE THE EXPRESSION USING THE DISTRIBUTIVE PROPERTY
    9·2 answers
  • What is the factored form of the polynomial P(x) shown here?
    12·2 answers
  • Find the answer to:<br> 0.8/9.2=x+0.2
    15·2 answers
  • If a ∥ b and e ∥ f, what is the value of y?<br><br> 87<br> 88<br> 91<br> 92
    9·1 answer
  • I can not find the answer could you guys help me​
    5·1 answer
  • 3/6 + 2/6= improper fraction
    6·2 answers
  • Please help with this ...thanks
    13·2 answers
  • Tell whether the following equation has one, zero, or infinitely many solutions.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!