Sin 30 Formula

In an equilateral triangle, the measure of each triangle is 60 0 and all the sides are equal.

Let’s assume all the side to be of 2 cm. After bisecting the angle, it would become 300 and length will be ½ (the side opposite angle which is 1), this way we get sin 300 as ½.

In a right angle triangle, one of the angles is 900. To find the value of various trigonometric functions for different angles, we refer to the trigonometry table.

The trigonometry ratios can be defined in the trigonometry table to find the various values of angles like 300, 900 etc. These values play an important role in solving trigonometric equations.

Trigonometry Ratio Table for Sin 30 degree formula

Trigonometry Ratio Table

Angles (In Degrees)

0∘

30∘

45∘

60∘

90∘

Angles (In Radians)

0

π/6

π/4

π/3

π/2

sin

0

1/2

1/√2

√3/2

1

cos

1

√3/2

1/√2

1/2

0

tan

0

1/√3

1

√3

Not Defined

cot

Not Defined

√3

1

1/√3

0

csc

Not Defined

2

√2

2/√3

1

sec

1

2/√3

√2

2

Not Defined

What is the Value of Sin 30 0?

The value of sin 30 degrees can be found with the help of the above trigonometric table.

Sin 30 0 = 1/2

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