Question

trignometric identities are derived from right triangles? True or False?

Answer 1

no. Trig identities work for any triangle.

Answer 2

I would say yes. Basic trig is based on right angle triangle.

Answer 3

The trig functions are curves, sin and cosine show sinusoidal form, like a wave. the trig identities do no actually relate to triangles but to the trigonometric functions themselves. the hyperbolic functions have many similar identities.

Answer 4

Trig is a big subject and we could be talking about two different things. But anytime you hear trig and right angles right away everyone knows what you are talking about.

Answer 5

Trigonometry (from Greek trigōnon "triangle" + metron "measure")

http://en.wikipedia.org/wiki/Trigonometry

Answer 6

all the Basic identities are derived from right angle triangle.

Answer 7

You can solve right triangle using trig trigonometric functions. However, the functions themselves are curves. Try graphing six on a graphing calculator.
For example cos^2 x+ sin^2 x= 1 is a trig identity.
similarly cosh^2(x) _sinh^2(x )= 1 but cosh =[ (e^x +e^-x)/2]^2 and sinh x = [(e^x - e^-x)/c}^2. these functions have nothing to do with triangles.

Answer 8

You are right. There is no such thing as right angle trigonometry. We made it up.

Answer 9

I was worried about you.