All categories

3 years ago

I need help on this math problem look at picture

Mathematics

1 answer:

musickatia [10]3 years ago

3 0

I think its A

I'm not sure but that's my best answer... I'm sorry...=)

I hope this helps

You might be interested in

Solve cos(2x)=1-sin(x)

Vedmedyk [2.9K]

Given:

$cos(2x)=1-sin(x)$

Expanding using double angle formula,

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

Rearranging into a single equation,

$1 - 2 \sin^{2}(x) - 1 + \sin(x) = 0$

Combining like terms,

$- 2 \sin^{2} (x) + \sin(x) = 0$

Now multiplying each term by -1,

$2 \sin^{2} (x) - \sin(x) = 0$

Factor greatest common factors out,

$\sin(x)(2 \sin(x) - 1) = 0$

Applying Zero property rule,

$\sin(x) = 0 \: or \: 2 \sin(x) - 1 = 0$

• Solve the trignometric equation to find a particular solution,

$x = 0 \: or \: x = π$

$= > x = 2nπ \: or \: x = π + 2nπ$

• Find the union of the solution sets,

$x = nπ$ }

• Rearrange unknown terms to the left side,

$2 \sin(x) = 1$

• Divide both sides of the equation by the coefficient of variable,

$\sin(x) = \frac{1}{2}$

• Solve the trignometric equation to find a particular solution,

$x = \frac{π}{6} \: or \: x = \frac{5π}{6}$

$= > x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

}

☆ Now finding the union of both sets

$x = nπ \: or \: x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

Hence, the answer is $x = nπ \: or \: x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

3 0

3 years ago

Hello could i please get some quick help can someone help solve 2x+3=10

ki77a [65]

Answer:

x= 3.5

Step-by-step explanation:

2x + 3 = 10 (-3)

2x = 7 (divide by 2 )

x = 3.5

8 0

3 years ago

The company recently reduced its production to 1 million bicycles, but maintained its profit of 30 million dollars. what greater

Dimas [21]

1.3 million bicycles hope i helped

7 0

4 years ago

Read 2 more answers

Use words to compare the size of the product to the size of the first factor

ruslelena [56]

Is this vocabulary? If so, I'll try to answer. The product is always greater than the factors.

4 0

3 years ago

The solutions it suppose to equal W= -2/2, 0

Dmitry [639]

Answerevulate (w,8 6)

Step-by-step explanation:

6 0

3 years ago