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Sin 55 degrees in radians is written as sin (55° × π/180°), i.e., sin (11π/36) or sin (0.959931. . .). In this article, we will discuss the methods to find the value of sin 55 degrees with examples.

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Use our sin(x) calculator to find the sine of 55 degrees - sin(55 °) - or the sine of any angle in degrees and in radians.

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To obtain 55 degrees in radian multiply 55° by π / 180° = 11/36 π. Sin 55degrees = sin (11/36 × π). Our results of sin55° have been rounded to five decimal places. If you want sine 55° with higher accuracy, then use the calculator below; our tool displays ten decimal places.

To calculate sin 55 degrees, we need to determine the ratio of the side opposite the angle (55 degrees) to the hypotenuse of the triangle. Since sin is defined as the opposite side divided by the hypotenuse, we can use this formula: sin (theta) = opposite / hypotenuse.

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

Calculate sin(55) sin is found using Opposite/Hypotenuse. Determine quadrant: Since 0 ≤ 55 ≤ 90 degrees it is in Quadrant I. sin, cos and tan are positive. Determine angle type: 55 90°, so it is acute. sin(55) = 0.81915204365985. Write sin(55) in terms of cos. Since 55° is less than 90... We can express this as a cofunction. sin(θ) = cos ...

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