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Side B Of Triangle Given Two Sides And Two Angles A And B Calculator

Formula Used:

\[ Sb = \frac{(Sc - Sa \times \cos(\angle B))}{\cos(\angle A)} \]

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1. What is the Side B of Triangle Calculation?

This calculator determines the length of side B in a triangle when given two sides (A and C) and two angles (A and B) using trigonometric relationships.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Sb = \frac{(Sc - Sa \times \cos(\angle B))}{\cos(\angle A)} \]

Where:

Explanation: This formula uses cosine functions to calculate the unknown side length based on the given sides and angles, leveraging trigonometric relationships in triangles.

3. Importance of Triangle Side Calculation

Details: Calculating unknown side lengths in triangles is fundamental in geometry, engineering, architecture, and various scientific applications where triangular relationships are involved.

4. Using the Calculator

Tips: Enter all known values in appropriate units (meters for sides, radians for angles). Ensure all values are positive and angles are in proper radian measure.

5. Frequently Asked Questions (FAQ)

Q1: Can I use degrees instead of radians?
A: This calculator requires angles in radians. Convert degrees to radians by multiplying by π/180.

Q2: What types of triangles does this work for?
A: This formula works for any triangle where you know two sides and two angles, regardless of whether it's acute, obtuse, or right-angled.

Q3: What if I get a negative result?
A: A negative result indicates that the given measurements cannot form a valid triangle. Check your input values.

Q4: How accurate is this calculation?
A: The calculation is mathematically exact based on trigonometric principles, assuming precise input values.

Q5: Can this be used for 3D triangles?
A: This formula is specifically for 2D planar triangles. For 3D triangles, additional considerations and formulas are needed.

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