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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)
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Find the point at which the line x = 5 − t, y = 2 + t, z = 3t intersects the plane x − y + 4z = 13.
Nikolay [14]

The value of the points at which intersection of plane takes place is (x,y,z) = (4,3,3).

According to the statement

we have to find the point which they intersect the given plane.

So, For this purpose, we know that the

The given equations is :

x = 5 − t, -(1)

y = 2 + t,  -(2)

z = 3t -(3)

And the given plane is :

x − y + 4z = 13  -(4)

And, the intersection of plane point is :

Put the equations 1 and 2 and 3 in the 4th equations then

(5 − t) - (2 + t) + 4(3t) = 13

3 - 2t + 12t = 13

3 + 10t = 13

10t = 10

Then

t = 1

Put these values in 1 and 2 and 3rd equation then the value of x y z become

x = 5 − t, -(1)

x = 5 -1

x = 4

And

y = 2 + t,  -(2)

y = 2 + 1

y = 3

And

z = 3t -(3)

z = 3(1)

z = 3.

The value of (x,y,z) = (4,3,3).

So, The value of the points at which intersection of plane takes place is (x,y,z) = (4,3,3).

Learn more about intersection of plane here

brainly.com/question/12089275

#SPJ4

3 0
2 years ago
A jar contains 0.75 liter of BlackBerry juice and 0.60 liter of blueberry juice. Patrick poured 0. 25 liter of guava juice into
EastWind [94]

0.75 + 0.60 + 0.25 = 1.6 total liters  ( Addition)

1.6 - 0.2 = 1.4 liters left   ( Subtraction)

8 0
4 years ago
Solve for x.<br> X 4/5/15
deff fn [24]

Answer:

I think x is 14

Step-by-step explanation:

15+4=19

19-5=14

6 0
3 years ago
Simplify the expression: (− 2/3 pq^4)^2·(−27p^5q)
VladimirAG [237]

Answer:

-12p^7q^9

Step-by-step explanation:

(-2/3Pq^4)^2×(-27P^5q)

= ((-2)^2)/3^2 × P^2 q^4-2 × (-27qp^5)

= ((-2)^2)/3^2 × 27p^7q9

= (((-2)^2 x 27p^7q9)/3^2

= -((4×27p^7q^9)/9)

= -(108p^7q^9)/9

= -12p^7q^9

4 0
3 years ago
Can anyone help me please
Nitella [24]

Answer:

13.075

Step-by-step explanation:

4 0
4 years ago
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