3 years ago

Solve the equation: sin(2x)= sin x

Mathematics

1 answer:

Anna [14]3 years ago

3 0

Answer:

Below

Step-by-step explanation:

sin(2x) = 2 ×cos(x)× sin(x)

● sin(x) = 2 × cos(x) × sin(x)

● 2 × cos(x) = 1

● cos (x) = 1/2

So we can deduce that:

● x = Pi/3 + 2*k*Pi

● or x = -Pi/3 + 2*k*Pi

K is an integer

You might be interested in

How much is the product of<br> 14 and 16 less than 290

Svetradugi [14.3K]

The product of 14 and 16 is 66 less than 290.

<h3>What is the meaning of product ?</h3>

The product is obtained when two numbers are multiplied with each other .

The given data can be used to make an equation

Let the product of 14 and 16 be x less than 290 then

14*16 = 290-x

224 = 290-x

x = 66

Therefore the product is 66 less than 290.

To know more about Product

brainly.com/question/22852400

#SPJ1

4 0

2 years ago

Enter the fraction 33100 as a decimal

Mariulka [41]

Answer:

0.33

Step-by-step explanation:

If you have the number 1 and divide it by 100, you get 1/100, 0.01, or 1% of 1. If you multiply 1/100 by 33, you get 33/100, 0.33, or 33% of 1.

7 0

3 years ago

Read 2 more answers

Your weekly salary is $150. you also earn $20 commission for each cell phone that you sell. write an expression to represent the

Vlad1618 [11]

150 + 20x, where x is the number of cellphones sold

6 0

3 years ago

Graph the linear equation. Find three

Sever21 [200]

Y=1/3x+2
(-6,0)
(0,2)
(6,4)

6 0

2 years ago

Find the lateral area of a rectangluar prism with ?

NikAS [45]

Answer:

40 Squared units

Step-by-step explanation:

$A=2*2*4+2*2*6=40$

4 0

3 years ago