## What is the value of sin 240 degree?

Important Angle Summary

θ° | θradians | sin(θ) |
---|---|---|

180° | π | 0 |

210° | 7π/6 | -1/2 |

225° | 5π/4 | -√2/2 |

240° | 4π/3 | -√3/2 |

## What is the value of sin 2 60?

The exact value of sin(60) is √32 .

## Is the value of sin 60?

From the above equations, we get sin 60 degrees exact value as √3/2.

## How do you square a sin?

The square of sine function rule is also expressed in two popular forms in mathematics.

- x = 1 − cos 2
- sin 2 A = 1 − cos 2

## How do you find COS 120 without a calculator?

Draw a unit circle (circle with radius one) and draw 120 degrees. Then find the reference angle (60 degrees). Since 120 degrees is in the second quadrant, the x values will be negative and the y values will be positive. This means that cos120 will be negative.

## Does sin 2x Sinx 2?

Nope. sin²x you take the sine first, then square, in sin(x²), you square the x first then take the sine.

## What does sin 2x equal to?

That’s all it takes.

## What’s the point of trigonometry?

Trigonometry helps us find angles and distances, and is used a lot in science, engineering, video games, and more!

## What is the value of sin Square 90 degree?

1/ 1

## How do you solve a trigonometric equation graphically?

A trigonometric equation is an equation involving a trig function. We can solve it graphically by graphing the related function. For example, the trigonometric equation cos (x) = 1 has the related function f(x) = cos (x) – 1, found by moving all the terms to one side and replacing the 0 on the one side with f(x).

## How do you find sin 120 without a calculator?

By using the value of cosine function relations, we can easily find the value of sin 120 degrees. Using the trigonometry formula, sin (90 + a) = cos a, we can find the sin 120 value. We know that the value of cos 30 degrees is √3/2. Therefore, sin 120° = √3/2.

## How do you find the sin of 60 degrees?

- In the right angle triangle, Sin 60 value is the ratio of the length of the perpendicular side to the length of the hypotenuse.
- Based on the above diagram,
- The ratio of Sin 60 = Perpendicular/ Hypotenuse.
- The method to calculate the Sin 60 degree exact value is to divide √3 by √4 or √3/√4.
- With this, we got.

## How do you solve COS 120 degrees?

Cos 120 degree is equal to minus half which can be written as (- ½ ) or (-0.5).

## What is the sin of 60 in radians?

Sines and cosines for special common angles

Degrees | Radians | sine |
---|---|---|

90° | π/2 | 1 |

60° | π/3 | √3 / 2 |

45° | π/4 | √2 / 2 |

30° | π/6 | 1/2 |

## How do you translate trigonometric graphs?

Graph a sine or cosine function having a horizontal and vertical translation. In general, the graph of y = f(x) + k is the graph of y = f(x) translated k units vertically. If k is a positive number, the translation is up. If k is a negative number, the translation is down.

## How do you find tan 120?

Answer. = – root 3.

## What is the exact value of sin 120 degrees?

Hence, sin 120 degrees exact value is √32.