What is cos(30°)? (COS of 30 Degrees = 0.866025)

Exact Answer

cos(30°) = 0.866025

sin(30°)

0.5

cos(30°)

0.866025

tan(30°)

0.57735

Angle in Radians

0.5236 rad

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Step-by-Step Solution: cos(30°) = 0.866025

Step 1

Convert Degrees to Radians

Multiply 30° by π/180: 30 × (π / 180) ≈ 0.523599 radians.

30° = 0.523599 rad

Step 2

Evaluate cos(30°)

Using the unit circle or trigonometric ratio, cos(30°) = 0.866025.

cos(30°) = 0.866025

Summary & Alternative Representations

Property / Format	Value
sin(30°)	`0.5`
cos(30°)	`0.866025`
tan(30°)	`0.57735`
Angle in Radians	`0.5236 rad`

What is cos(30°) in Degrees?

Step-by-Step Solution: cos(30°) = 0.866025

Convert Degrees to Radians

Evaluate cos(30°)

Summary & Alternative Representations

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Frequently Asked Questions

What is 30 degrees in radians?

Step-by-Step Solution: cos(30°) = 0.866025

Convert Degrees to Radians

Evaluate cos(30°)

Summary & Alternative Representations

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Frequently Asked Questions

What is 30 degrees in radians?

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