Popular: 1/2 + 3/4 20% of 150 GCF(12, 18) 100 ÷ 7 √144 Circle r=7 sin(30°) 255 in Binary
Exact Answer
45° = 1π/4 ≈ 0.785398 rad
Radians (Exact π)
1π/4
Radians (Decimal)
0.785398 rad
sin(45°)
0.70711
cos(45°)
0.70711
Angle (Degrees): °

Step-by-Step Solution: 45° = 1π/4 (0.785398 rad)

Step 1

Multiply Degrees by π / 180°

Use the formula Radians = Degrees × (π / 180): 45 × π / 180 = 1π/4 ≈ 0.785398 rad.
45° × (π / 180°) = 1π/4 ≈ 0.785398 rad

Summary & Alternative Representations

Property / FormatValue
Radians (Exact π)1π/4
Radians (Decimal)0.785398 rad
sin(45°)0.70711
cos(45°)0.70711

Frequently Asked Questions

What is 45 degrees in terms of pi (π)?

45° in terms of π is 1π/4 radians.