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To convert the angle from degrees to radians, we use the formula:

\[
\text{Radians} = \text{Degrees} \times \frac{\pi}{180}
\]

For \(-70^\circ\):

\[
\text{Radians} = -70 \times \frac{\pi}{180} = -\frac{70\pi}{180}
\]

Simplifying:

\[
\text{Radians} = -\frac{7\pi}{18}
\]

So, the radian measure of \(-70^\circ\) is approximately:

\[
\text{Radians} \approx -1.2217 \, \text{radians}
\]

Would you like a more detailed explanation or further clarification?

Here are 5 related questions you might find useful:
1. How do you convert positive angles to radians?
2. What is the formula for converting radians back to degrees?
3. How do you calculate radians for angles greater than \(360^\circ\)?
4. Can negative angles be used in trigonometric functions, and how?
5. What is the significance of radians in the unit circle?

**Tip:** Radians are often used in trigonometry because they simplify the expression of angular velocities and arc lengths!

The radian measure of an angle of -70 degrees is

Learn how to convert -70 degrees to radians using the angle conversion formula. This step-by-step guide covers key trigonometric concepts, such as the relationship between degrees and radians, making it suitable for students in Grades 9-12.

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