How to find the value of Cos 120 0. As mentioned in the solution given below, 120° can be represented in terms of two angles i.e. either 90° or 180°. We can show that 120 degrees can …

2018年8月8日 · cosec(90+A) = secA. sec(90+A) = -cosecA. cot(90+A) = -tanA. So, here. cosec120. cosec(90+30) sec30° 32. sec120° sec(90°+30°)-cosec30° = -√2. cot120° …

Trigonometrical ratios of some particular angles i.e., 120°, -135°, 150° and 180° are given below. 1. sin 120° = sin (1 × 90° + 30°) = cos 30° = √3/2;

Cos 120 degrees is the value of cosine trigonometric function for an angle equal to 120 degrees. Understand methods to find the value of cos 120 degrees with examples and FAQs.

Find the Exact Value csc(120) Step 1. Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Step 2. The exact value of is . Step 3. Multiply by . …

Use our cos(x) calculator to find the cosine of 120 degrees - cos(120 °) - or the cosine of any angle in degrees and in radians.

2019年7月25日 · In this video, we learn to find the value of csc120. Here I have applied csc(90 + x) = sec(x) identity to find the value of csc(120). The URL of the video ex...

The cosecant calculator allows through the cosec function to calculate online the cosecant cosecant of an angle in radians, you must first select the desired unit by clicking on the options …

2017年2月17日 · The cos of 120 degrees is -0.5, the same as cos of 120 degrees in radians. To obtain 120 degrees in radian multiply 120° by $\pi$ / 180° = 2/3 $\pi$. Cos 120degrees = cos …

Find the Value Using the Unit Circle csc(120) Step 1. Find the value using the definition of cosecant. Step 2. Substitute the values into the definition. Step 3. Simplify the result. Tap for …