General Questions, those who prepare for competitive exams.

This is basic information to understand at a glance.

What will have Triangle: Base, Length, Hypotenus.

H: Hypotenuse.

L: Length

B: Base

If L & H are same Length then symbol we can write like this:

If L is 0 Hypotenuse is equivalent to 0. Then Sin Theta is equivalent to 0. Sin ϴ = 0

If Base is 0 L=H. So sin Sin ϴ (90 degrees ) = 1.

Sin of 180 degrees = sign theta of zero = 0.

Sin ϴ = (270 degrees ) = -1. Because H = -L

Sin (360) = 0.

Sin ϴ = Length / Hypotenuse ( L/H).

Cos ϴ = Base /Hypotenuse (B/H).

Tan ϴ = Length/Base (L/B).

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