What is the sin of 90 in radians?

Trigonometric Function Values of Special Angles

θ° θradians sin(θ)
45° π/4 √2/2
60° π/3 √3/2
90° π/2 1
120° 2π/3 √3/2

What is COS 90 in radians?

Trigonometric Function Values of Special Angles

θ° θradians cos(θ)
30° π/6 √3/2
45° π/4 √2/2
60° π/3 1/2
90° π/2 0

How much is sin 90 in degrees?

1
The exact value of sin 90 degrees is equal to 1.

How does cos θ relate to sin 90 θ?

All triangles have 3 angles that add to 180 degrees. Therefore, if one angle is 90 degrees we can figure out Sin Theta = Cos (90 – Theta) and Cos Theta = Sin (90 – Theta).

What is cos 0 in radians?

The value of cos 0 degrees is 1. Cos 0 degrees in radians is written as cos (0° × π/180°), i.e., cos (0π) or cos (0).

What is value of cos 90 degree?

= 0
Cos 90° = 0 Also, it is easy to remember the special values like 0°, 30°, 45°, 60°, and 90° since all the values are present in the first quadrant. All the sine and cosine functions in the first quadrant take the form √(n/2) or √(n/4). Once we find the values of sine functions it is easy to find the cosine functions.

What is COS 90 theta equal to?

cos (90° – θ) = sin θ

What is COS in radians?

Sines and cosines for special common angles

Degrees Radians cosine
60° π/3 1/2
45° π/4 √2 / 2
30° π/6 √3 / 2
0 1

How do you solve sin 90?

The value of sin 90 degrees can be calculated by constructing an angle of 90° with the x-axis, and then finding the coordinates of the corresponding point (0, 1) on the unit circle. The value of sin 90° is equal to the y-coordinate (1). ∴ sin 90° = 1.

What is sin 90 minus theta?

Trigonometric ratios of 90 degree minus theta is one of the branches of ASTC formula in trigonometry. Trigonometric-ratios of 90 degree minus theta are given below. sin (90° – θ) = cos θ cos (90° – θ) = sin θ tan (90° – θ) = cot θ