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How do you find the value of sin 20?

How do you find the value of sin 20?

The value of sin 20 degrees can be calculated by constructing an angle of 20° with the x-axis, and then finding the coordinates of the corresponding point (0.9397, 0.342) on the unit circle. The value of sin 20° is equal to the y-coordinate (0.342). ∴ sin 20° = 0.342.

How do you calculate sin 10?

How to Find the Value of Sin 10 Degrees? The value of sin 10 degrees can be calculated by constructing an angle of 10° with the x-axis, and then finding the coordinates of the corresponding point (0.9848, 0.1736) on the unit circle. The value of sin 10° is equal to the y-coordinate (0.1736). ∴ sin 10° = 0.1736.

How do you find tan 20 without a calculator?

We can use trigonometric identities to represent tan 20° as, cot(90° – 20°) = cot 70° -cot(90° + 20°) = -cot 110° -tan (180° – 20°) = -tan 160°

Tan 20° in Terms of Trigonometric Functions
  1. sin(20°)/cos(20°)
  2. ± sin 20°/√(1 – sin²(20°))
  3. ± √(1 – cos²(20°))/cos 20°
  4. ± 1/√(cosec²(20°) – 1)
  5. ± √(sec²(20°) – 1)
  6. 1/cot 20°

What is the value of cos 20 in fraction?

The value of cos 20 degrees is 0.9396926. . .. Cos 20 degrees in radians is written as cos (20° × π/180°), i.e., cos (π/9) or cos (0.349065. . .).

How do you solve sin 40 degrees?

The value of sin 40 degrees can be calculated by constructing an angle of 40° with the x-axis, and then finding the coordinates of the corresponding point (0.766, 0.6428) on the unit circle. The value of sin 40° is equal to the y-coordinate (0.6428). ∴ sin 40° = 0.6428.

How to find the value of sin 40° Practically || Trigonometry || sin 40 ° = 0.6427… (Why & How ?)

How do you find the value of sin 70?

The value of sin 70 degrees can be calculated by constructing an angle of 70° with the x-axis, and then finding the coordinates of the corresponding point (0.342, 0.9397) on the unit circle. The value of sin 70° is equal to the y-coordinate (0.9397). ∴ sin 70° = 0.9397.

How do you find the value of cot 20?

Explanation: For cot 20 degrees, the angle 20° lies between 0° and 90° (First Quadrant). Since cotangent function is positive in the first quadrant, thus cot 20° value = 2.7474774. . . Since the cotangent function is a periodic function, we can represent cot 20° as, cot 20 degrees = cot(20° + n × 180°), n ∈ Z.

How do you find the value of tan 19?

For tan 19 degrees, the angle 19° lies between 0° and 90° (First Quadrant). Since tangent function is positive in the first quadrant, thus tan 19° value = 0.3443276. . . Since the tangent function is a periodic function, we can represent tan 19° as, tan 19 degrees = tan(19° + n × 180°), n ∈ Z.

What is value of tan30?

Tan 30 degree is equal to 1/√3 and its exact value is 0.57735.

How do you calculate sin 30?

The value of sin 30 degrees can be calculated by constructing an angle of 30° with the x-axis, and then finding the coordinates of the corresponding point (0.866, 0.5) on the unit circle. The value of sin 30° is equal to the y-coordinate (0.5). ∴ sin 30° = 0.5.

How do you find the value of sin 35?

The value of sin 35 degrees can be calculated by constructing an angle of 35° with the x-axis, and then finding the coordinates of the corresponding point (0.8192, 0.5736) on the unit circle. The value of sin 35° is equal to the y-coordinate (0.5736). ∴ sin 35° = 0.5736.

How do you find the value of sin 37?

The value of sin 37 degrees can be calculated by constructing an angle of 37° with the x-axis, and then finding the coordinates of the corresponding point (0.7986, 0.6018) on the unit circle. The value of sin 37° is equal to the y-coordinate (0.6018). ∴ sin 37° = 0.6018.

How do you find the value of sin 25?

The value of sin 25 degrees can be calculated by constructing an angle of 25° with the x-axis, and then finding the coordinates of the corresponding point (0.9063, 0.4226) on the unit circle. The value of sin 25° is equal to the y-coordinate (0.4226). ∴ sin 25° = 0.4226.

How do you find sin 50?

The value of sin 50 degrees can be calculated by constructing an angle of 50° with the x-axis, and then finding the coordinates of the corresponding point (0.6428, 0.766) on the unit circle. The value of sin 50° is equal to the y-coordinate (0.766). ∴ sin 50° = 0.766.

How do you solve sin 80?

The value of sin 80 degrees can be calculated by constructing an angle of 80° with the x-axis, and then finding the coordinates of the corresponding point (0.1736, 0.9848) on the unit circle. The value of sin 80° is equal to the y-coordinate (0.9848). ∴ sin 80° = 0.9848.

How do you find the value of sin 75?

The value of sin 75 degrees can be calculated by constructing an angle of 75° with the x-axis, and then finding the coordinates of the corresponding point (0.2588, 0.9659) on the unit circle. The value of sin 75° is equal to the y-coordinate (0.9659). ∴ sin 75° = 0.9659.

What is the value of cos 15 degrees in fraction?

Answer: The value of cos 15° = (√3+1)/2√2.

What is cot0?

The value of cot 0 degrees is undefined(∞).

What is the value of cos?

The value of cos 1 degrees can be calculated by constructing an angle of 1° with the x-axis, and then finding the coordinates of the corresponding point (0.9998, 0.0175) on the unit circle. The value of cos 1° is equal to the x-coordinate (0.9998). ∴ cos 1° = 0.9998.

What is the value of cot 45?

Cot 45 degrees is the value of cotangent trigonometric function for an angle equal to 45 degrees. The value of cot 45° is 1.

How do you find the value of sin 55?

The value of sin 55 degrees can be calculated by constructing an angle of 55° with the x-axis, and then finding the coordinates of the corresponding point (0.5736, 0.8192) on the unit circle. The value of sin 55° is equal to the y-coordinate (0.8192). ∴ sin 55° = 0.8192.

How do you find the value of sin 65?

How to Find the Value of Sin 65 Degrees? The value of sin 65 degrees can be calculated by constructing an angle of 65° with the x-axis, and then finding the coordinates of the corresponding point (0.4226, 0.9063) on the unit circle. The value of sin 65° is equal to the y-coordinate (0.9063). ∴ sin 65° = 0.9063.