# What is the value of tan inverse 1?

Table of Contents

## What is the value of tan inverse 1?

π / 4

Answer: The value of tan-1 (1) is π / 4, and tan-1 (tan 1) is π / 4.

## What is Cos Tan 1x?

Trigonometry Examples Then tan-1(x) is the angle between the positive x-axis and the ray beginning at the origin and passing through (1,x) . Therefore, cos(tan-1(x)) cos ( tan -1 ( x ) ) is 1√12+x2 1 1 2 + x 2 .

**What is inverse Cos Tan?**

Let θ = tan-1 x. x = tan θ cos θ = 1 / [√1 + tan2 θ] = 1 / √1 + x2. cos θ = cos (tan-1 x) = 1 / √1 + x2.

### What is the value of Tan Cos?

Values of Trigonometric Ratios at Various Angles:

Angles (in degrees) | 0° | 30° |
---|---|---|

Cos θ | 1 | √3/2 |

Tan θ | 0 | 1/√3 |

Cot θ | ∞ | √3 |

Sec θ | 1 | 2/√3 |

### How do you find the value of tan 1?

Using trigonometry formulas, we can represent the tan 1 degrees as: sin(1°)/cos(1°) ± sin 1°/√(1 – sin²(1°)) ± √(1 – cos²(1°))/cos 1°…We can use trigonometric identities to represent tan 1° as,

- cot(90° – 1°) = cot 89°
- -cot(90° + 1°) = -cot 91°
- -tan (180° – 1°) = -tan 179°

**What is tan 1x?**

tan−1x = tan−1(x), sometimes interpreted as (tan(x))−1 = 1tan(x) = cot(x) or cotangent of x, the multiplicative inverse (or reciprocal) of the trigonometric function tangent (see above for ambiguity)

## What is the value of tan -1(1)?

The inverse tan of 1, ie tan -1 (1) is a very special value for the inverse tangent function. Remember that tan -1 (x) will give you the angle whose tan is x . Therefore, tan -1 (1) = the angle whose tangent is 1.

## What are the sin cos and TAN values for a triangle?

When we find sin cos and tan values for a triangle, we usually consider these angles: 0°, 30°, 45°, 60° and 90°. It is easy to memorise the values for these certain angles.

**How to find the value of Tan ratio for specific angles?**

Now, write the values of sine degrees in reverse order to get the values of cosine for the same angles. As we know, tan is the ratio of sin and cos, such as tan θ = sin θ/cos θ. Thus, we can get the values of tan ratio for the specific angles.

### How do you find the inverse Tan of 1?

The inverse tan of 1, ie tan -1 (1) is a very special value for the inverse tangent function. Remember that tan -1(x) will give you the angle whose tan is x . Therefore, tan -1 (1) = the angle whose tangent is 1. It’s also helpful to think of tangent.