# Finding Tangent on a Calculator: Step-by-Step Instructions

_{December 11, 2023 by JoyAnswer.org, Category : Mathematics}

How to find tan on calculator? Follow step-by-step instructions to find the tangent using a calculator. This guide helps users navigate calculator functions to calculate tangents.

## How to find tan on calculator?

Finding the tangent (tan) of an angle on a calculator is a straightforward process. Here are step-by-step instructions:

**Turn On the Calculator:**- Ensure your calculator is turned on.

**Select the Angle Mode:**- Determine whether your angle is in degrees, radians, or grads.
- Most calculators have a mode setting (often labeled "DEG" for degrees, "RAD" for radians, or "GRAD" for grads).
- Select the appropriate angle mode based on your calculation.

**Enter the Angle Value:**- Enter the value of the angle for which you want to find the tangent.
- Input the angle value using the numeric keypad on your calculator.

**Find the Tangent (tan):**- Locate the "tan" button on your calculator. It may be labeled "tan" or have an abbreviation like "t."
- Press the "tan" button.

**Complete the Calculation:**- After pressing the "tan" button, the calculator will display the tangent of the entered angle.
- If you entered an angle in degrees, the result will be in degrees. If you entered an angle in radians, the result will be in radians.

For example:

- If you want to find the tangent of a 45-degree angle, enter "45," then press the "tan" button to get the tangent value.
- If you want to find the tangent of a π/4 radians angle, enter "π/4" or the numerical approximation (e.g., 0.7854), then press the "tan" button.

Keep in mind that some calculators might have a single button labeled "tan" that performs the entire operation, while others might require you to enter the angle first and then press the "tan" button.

If you're using a scientific calculator or a graphing calculator, the process should be similar, but the layout of the buttons may vary. Consult your calculator's user manual if you encounter any difficulties specific to your calculator model.

## What are the steps to calculate the tangent using a calculator?

Calculating the tangent using a calculator involves two main steps:

**1. Setting the calculator mode to degrees or radians:**

- Most calculators have a button or menu option to switch between degree and radian mode. Make sure your calculator is set to the appropriate mode for the angle you are using.
- For most everyday situations,
**degrees**are the preferred mode.

**2. Entering the angle value and pressing the "tan" button:**

- Enter the angle value on the calculator keypad.
- Locate the "tan" button, which typically has the function "tan" or "tan^-1" (inverse tangent) written on it.
- Press the "tan" button.
- The calculator will display the tangent of the angle.

Here's an example:

**Scenario:** Calculate the tangent of 30 degrees.

**Steps:**

- Set your calculator to
**degrees**mode. - Enter
**30**on the keypad. - Press the
**tan**button. - The calculator will display
**0.5773502691896258**, which is the tangent of 30 degrees.

**Tips:**

- Some calculators may have a separate button for the inverse tangent ("tan^-1"). This function is used to find the angle when you know the tangent.
- If you are unsure of the mode your calculator is in, consult the user manual.
- Be sure to enter the angle value correctly. For example, 30° is different from 30.

Here are some additional resources that you may find helpful:

**Math is Fun - Trigonometry:**https://www.mathsisfun.com/algebra/trigonometry.html**Khan Academy - Trigonometry:**https://www.khanacademy.org/math/trigonometry/unit-circle-trig-func**Purplemath - Trigonometry:**https://www.purplemath.com/modules/basirati.htm