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BARSIC [14]
3 years ago
11

How do you simplify sin 4 theta using the double angle theory?

Mathematics
1 answer:
S_A_V [24]3 years ago
3 0
Double angle formulae involve trigonometric functions of double angles and in order to get its value you must consider the following:
-derive the double angle formula from additional formula
-write the formula for the angle in alternative form
-use the formula to write trigonometric expressions in different forms
-use the formula in the solution of trigonometric equations

And the answer would be 4sin(theta)cos(theta)cos(2theta)
You might be interested in
Simplify 8-4(3-2m)+2m<br><br>a. 10m-4<br>b. 12-2m<br>c. 14m-4<br>d. 14m+4
Yuki888 [10]

Hey there!

FIrstly, we have to distribute

8-4(3-2m)+2m \\ 8-4 = 4 \\ \\ 8(-4)(3) +-4 (-2m) +2m

Combine like terms

8+ (-12)+8m+2m\\ \\ 8 + (-12) \\ \\ 8m +2m \\ \\

Solve for your answer

8+ (-12) = 4 \\ \\ 8m +2m = 10m

10m + (-4)

Answer: 10m -4

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

5 0
3 years ago
The first term of an arithmetic sequence is 3. The common difference of the sequence is 1.5 times the first term. Write the next
vova2212 [387]

Answer:

Step-by-step explanation:

Tn = a + (n-1)d

a = 3 and d = 1.5×3 = 4.5

T2 = a + d = 3 + 4.5 = 7.5

T3 = a + 2d = 3 + 2(4.5) = 12

T4 = a + 3d = 3 + 3(4.5) = 16.5

3 0
3 years ago
Determine where each piece below belongs to create a rational expression equivalent to the one shown above.
Luba_88 [7]

An example of a rational expression is 2x+3/x-2.

<h3>What is a rational expression?</h3>

The complete question wasn't found. Therefore, a overview will be given. It should be noted that a rational expression simply means quotient of two polynomials.

A rational expression is a fraction whose numerator and denominator are polynomials.

In this case, an example of a rational expression is 2x+3/x-2

Learn more about rational expression on:

brainly.com/question/2264785

#SPJ1

3 0
2 years ago
1.
Paul [167]

Answer: D. 3/2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Is 2 between 1.4 and 1.5 ?how do you know? please give me answers
Tamiku [17]

Answer:

No,because 2 is a greater number

Step-by-step explanation:

1 1.1 1.2 1.3 1.4 1.5 & so on

so that makes 2 after/not between 1.4 & 1.5

6 0
3 years ago
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