Finding theta angle.should be easy one.

  • Thread starter viet_jon
  • Start date
  • Tags
    Theta
In summary, the conversation discusses finding the theta angle and how to determine if the #2 arrow angle is the same as the given theta angle. The individual is instructed to continue a vertical line marking one side of the angle down until it meets the extended horizontal line of A sub x, creating a right triangle. It is mentioned that N sub B is perpendicular to the bar and the interior angles of the triangle add up to 90. The conclusion is that the two thetas must be equal.
  • #1
viet_jon
131
0
finding theta angle...should be easy one.

Homework Statement



if your given theta (as pointed out by the arrow with #1), how do you know the #2 arrow angle is the same?

Homework Equations



sdf.gif
 
Physics news on Phys.org
  • #2


Continue the vertical line marking one side of the angle you label 2 down until it meets the horizontal line that is A sub x extended. Now you have a right triangle. Notice that N sub B is perpendicular to the bar. The interior angles of the triangle add up to 90 and the theta you call 2 plus the upper interior angle add to 90 so the two thetas have to be equal.

Is that clear?
 
  • #3


wickd! got it...thankx, cheers!
 

Related to Finding theta angle.should be easy one.

What is theta angle?

Theta angle is a term used in geometry and trigonometry to represent the measurement of an angle in a right triangle.

How do I find theta angle?

To find theta angle, you can use the trigonometric ratios of sine, cosine, and tangent. Simply divide the length of the side opposite theta by the length of the hypotenuse to find the sine of theta, the adjacent side by the hypotenuse to find the cosine of theta, or the opposite side by the adjacent side to find the tangent of theta. Then use the inverse functions of these ratios (arcsine, arccosine, arctangent) to find the value of theta.

What is the range of theta angle?

The range of theta angle depends on the units being used to measure it. If degrees are used, theta angle can range from 0 to 360 degrees. If radians are used, theta angle can range from 0 to 2π radians.

Why is theta angle important?

Theta angle is important because it helps us understand and solve problems involving right triangles and other geometric shapes. It is also used in various fields such as navigation, engineering, and physics.

What is the difference between theta angle and other angles?

Theta angle specifically refers to the measurement of an angle in a right triangle, while other angles can refer to any type of angle in any geometric shape. Theta angle is also commonly used in trigonometric functions and equations, while other angles may have different applications and meanings.

Similar threads

  • Introductory Physics Homework Help
Replies
2
Views
278
  • Introductory Physics Homework Help
Replies
3
Views
364
  • Introductory Physics Homework Help
Replies
1
Views
276
  • Introductory Physics Homework Help
Replies
6
Views
636
  • Introductory Physics Homework Help
Replies
2
Views
358
  • Introductory Physics Homework Help
2
Replies
55
Views
3K
  • Introductory Physics Homework Help
Replies
7
Views
286
Replies
8
Views
386
  • Introductory Physics Homework Help
3
Replies
73
Views
1K
Replies
17
Views
295
Back
Top