Why sin 90 is 1? When the reference angle becomes 90 and the

Answer (1 of 7): You are restricting your thoughts to the definition of a sine function defined on the acute angles of a right triangle. That definition does not apply when the angles is 90 degrees or larger. With angles of arbitrary size one defines the angles using a point on the unit circle. L

sin 90 Degrees Equals 1 Why?

Why is sin 90 taken to be 1? - Quora

Can the infinite space outside of a triangle on a coordinate plane

Unit Circle Trigonometry

How can we explain the equation given in NCERT 12th Physics page

How to find the exact value of sin 150° using a triangle - Quora

trigonometry - How would a triangle for sin 90 degree look

Unit Circle: Sine and Cosine Functions

How can we explain the equation given in NCERT 12th Physics page