Math Problem Statement

solve tan7=d/2.7

Solution

To solve for dd in the equation:

tan(7)=d2.7\tan(7^\circ) = \frac{d}{2.7}

We can multiply both sides of the equation by 2.7 to isolate dd:

d=2.7×tan(7)d = 2.7 \times \tan(7^\circ)

Now, we can calculate the value of dd:

d=2.7×0.1228(since tan(7)0.1228)d = 2.7 \times 0.1228 \quad (\text{since } \tan(7^\circ) \approx 0.1228)

d0.33156d \approx 0.33156

Thus, d0.33d \approx 0.33 (rounded to two decimal places).


Do you have any questions or need more details?

Here are 5 related questions you might explore:

  1. What is the unit circle definition of the tangent function?
  2. How does tangent relate to the other trigonometric functions like sine and cosine?
  3. How would the value of dd change if the angle increased or decreased?
  4. Can you derive an expression for dd for any angle θ\theta?
  5. What are some practical applications of solving for unknowns using trigonometric functions?

Tip: When using trigonometric functions, ensure your calculator is set to the correct mode (degrees or radians) for the angle you are using.

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Math Problem Analysis

Mathematical Concepts

Trigonometry
Tangent Function

Formulas

d = 2.7 * tan(7°)

Theorems

Tangent Function Definition

Suitable Grade Level

Grades 9-11