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www.khanacademy.org/.../trigonometry-right-triangles

Learn the basics of trigonometry: What are sine, cosine, and tangent? How can we use them to solve for unknown sides and angles in right triangles?

www.lshsstem.com/.../9/1/4/39145399/phy_1_trig_for_physics.pdf

The Pythagorean theorem is another formula that you will use frequently in physics. a2 + b2 = c2 Often in physics problems you are given the magnitude of a vector (the hypotenuse of a right triangle) and one of the angles in the triangle. You then need to determine the x and y components of the triangle.

physics.info/trigonometry

Trigonometry is a branch of mathematics dealing with ratios of the sides of a right triangle. Despite sounding highly specialized, it is really quite useful.

www.dummies.com/education/science/physics/trigonometry...

Physics problems sometimes require you to have some trigonometry under your belt. To see what kind of trig you need, take a look at the figure, which shows a right triangle. The long side is called the hypotenuse, and the angle between x and y is 90 degrees. Physics problems require you to be able ...

physics.info/trigonometry/summary.shtml

Summary. Trigonometry is the mathematical study of the relations of the sizes of the sides and angles of right triangles (triangles with with at least one 90° angle).; Parts of triangles The location of the sides of any triangle are identified relative to an angle using the words opposite and adjacent.; The sides of a right triangle adjacent to the right angle are called legs.

www.wired.com/story/physics-owes-a-lot-to-a-little-loved...

I'm talking about trigonometry, of course: that bastion of angles and triangles that is essential to calculating velocity, momentum, and much more. Trigonometry Is Essential to Physics. Here Are ...

www.reference.com/math/trigonometry-used-physics-4e28d...

Any field of physics that includes the use of angles or sides uses trigonometry. Some of the first fields in physics, statics and optics relied heavily on trigonometry during their pioneering stages. Trigonometry is the mathematical science that studies the relationships between lengths and angles of triangles.

sites.google.com/.../physics/math-review/righttriangles

Triangles have 3 sides and their angles add up to 180 degrees. A right triangle is a triangle with a right (90 degree) angle, quelle grande surprise. This is denoted using the perpendicular symbol (a box) at the right angle. The hypotenuse is the longest is of a right triangle and always directly opposite of the right angle.

www.dummies.com/education/math/trigonometry/trigonometry...

Trigonometry is the study of triangles, which contain angles, of course. Get to know some special rules for angles and various other important functions, definitions, and translations. Sines and cosines are two trig functions that factor heavily into any study of trigonometry; they have their own formulas and rules that you’ll want to understand if […]

www.khanacademy.org/.../unknown-side-in-right-triangle-w-trig

Learn how to use trig functions to find an unknown side length in a right triangle. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.