MATHEMATICS HIGH SCHOOL

Rewrite with only sin x and cos x.

cos 2x + sin x

Answers

Answer 1
Answer:
This is the expression written with only sinx and cosx.
Answer 2
Answer: Hello,

as cos 2x=cos²x-sin²x=1-2sin²x
then
cos 2x+sin x=-2sin² x+sin x +1

Related Questions

A polynomial equation with rational coefficients has the roots 7 + *sqrt* 3 , 2 - *sqrt* 6. Find two additional roots. a. 7 - *sqrt* 3 , 2 + *sqrt* 6 b. 3 - *sqrt* 7 , 6 + *sqrt* 2 c. 7 + *sqrt* 3 , 2 - *sqrt* 6 d. 3 + *sqrt* 7 , 6 - *sqrt* 2
Solve the equation: Show work step by step-14=-5+3c
Andrew has already played 32 minutes on his video game today and wants to play an additional 15 minutes each of x games after school today. What equation can be used to find y, the total minutes Andrew will play video games today?
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greg is designing the clock face for a homemade clock. using the center of the clock face as the origin, he places the label 12 at the point (0,5). at what point should he place the label 6

Answers

I apologized that you have not been helped yet, But the answer is (0,-5). Again, I am so sorry that you were not helped properly :)

**PLEASE HELP MARKING BRAINLIEST**the length of a rectangle is 8cm more than four times the width. if the perimeter of the rectangle is 96cm, what are its dimensions?

Answers

Answer:

its \: dimensions \: are \to \n\boxed{w = 17.6cm} \: \boxed{l = 78.4cm}

Step-by-step explanation:

if \to l = 4w + 8 \n but \n \: perimeter(p )= l + w = 96 \n 4w + 8 + w = 96 \n 5w + 8 = 96 \n 5w = 96 - 8 \n 5w = 88 \n w = (88)/(8) \n \boxed{w = 17.6cm} \boxed{l = 78.4cm}

Determine the equation in the form y=mx+b for passing through each pair of points (0,8) and (4,3)

Answers

y=mx+b\n\nA(0;\ 8);\ B(4;\ 3)\n\nsubstitution\n\n \left\{\begin{array}{ccc}0m+b=8\n4m+b=3\end{array}\right\n\n\left\{\begin{array}{ccc}b=8\n4m+b=3\end{array}\right\n\left\{\begin{array}{ccc}b=8\n4m+8=3\end{array}\right\n\left\{\begin{array}{ccc}b=8\n4m=3-8\end{array}\right\n\left\{\begin{array}{ccc}b=8\n4m=-5&/:4\end{array}\right\left\{\begin{array}{ccc}b=8\nm=-(5)/(4)\end{array}\right

Answer:y=-(5)/(4)x+8
This requires y2 - y1/ x2 - x1 as the slope. I got y=-5/4x+8 as my answer

Draw a line representing the "rise" and a line representing the "run" of the line. State the slope of the line in simplest form.

Answers

Answer:

y=mx+b y=4/3x-3

Step-by-step explanation:

b= your y-slope which is -3

from -3. Count your rise until it reaches an equal run

3= run (count left or right)

4 = rise (count up or down)

y=

(4)/(3)

y=4/3x-3

Answer:

im not sure

Step-by-step explanation:

im not sure

A vehicle travels a distance of 5t4 − 10t2 + 6 miles in t + 2 minutes. What is the vehicle's speed?

Answers

Let distance be s and velocity be v
s = 5t⁴ - 10t² + 6
We know velocity is the change in distance per unit time, so
v = ds/dt
v = 20t³ - 20t

Answer:

The speed is 5t^3 - 10t^2 + 10t - 20 + 46/(t+2) miles per minute

Step-by-step explanation:

Please help me solve this. :)

Answers

Answer:

45.) 45

46.) 2

47.) 16

48.) 8

49.) 10

50.) 11

51.) 16

52.) 6

53.) 55

54.) 14

Step-by-step explanation:
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