What is cos(45°)? (COS of 45 Degrees = 0.707107)

Exact Answer

cos(45°) = 0.707107

sin(45°)

0.707107

cos(45°)

0.707107

tan(45°)

Angle in Radians

0.7854 rad

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Step-by-Step Solution: cos(45°) = 0.707107

Step 1

Convert Degrees to Radians

Multiply 45° by π/180: 45 × (π / 180) ≈ 0.785398 radians.

45° = 0.785398 rad

Step 2

Evaluate cos(45°)

Using the unit circle or trigonometric ratio, cos(45°) = 0.707107.

cos(45°) = 0.707107

Summary & Alternative Representations

Property / Format	Value
sin(45°)	`0.707107`
cos(45°)	`0.707107`
tan(45°)	`1`
Angle in Radians	`0.7854 rad`

What is cos(45°) in Degrees?

Step-by-Step Solution: cos(45°) = 0.707107

Convert Degrees to Radians

Evaluate cos(45°)

Summary & Alternative Representations

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Frequently Asked Questions

What is 45 degrees in radians?

Step-by-Step Solution: cos(45°) = 0.707107

Convert Degrees to Radians

Evaluate cos(45°)

Summary & Alternative Representations

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Frequently Asked Questions

What is 45 degrees in radians?

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