What is the COT of 3pi 4?

Joe Ford

What is the COT of 3pi 4?

Important Angle Summary

θ° θradians cot(θ)
135° 3π/4 -1
150° 5π/6 -√3
180° π N/A
210° 7π/6 √3

What is cot value?

the value of cot thetha is sin thetha/ cos thetha. or.. 1/tan thetha… it is base / perpendicular too.

What is the value of cot 3 pi by 2?

instead. As you can see, sin(3π2)=−1 and cos(3π2)=0 . Thus, cot(3π2)=0−1=0

What is the exact value of sin 3pi 2?

2 Answers By Expert Tutors pi, as a symbol, is considered an exact value; whereas 3. from the calculator is considered an approximate value. (0,-1) = (cos(3pi/2),sin(3pi/2)). So –1 = sin(3pi/2). 3∏/2 is 270 °, and is located on the end of the 3rd quarter, and beginning of 4th quarter on unit circle

What is the exact value of sin 270?

−1

What is sin a B sin AB?

The standard formula for sin(A+B) is: sin(A+B)=sin(A)cos(B)+cos(A)sin(B) Now sin(−B)=−sin(B) and cos(−B)=cos(B) , so. sin(A−B)=sin(A)cos(B)−cos(A)sin(B)

What is the exact value of sin 360?

θ sin θ cos θ
90° 1 0
180° 0 −1
270° −1 0
360° 0 1

What is the exact value of sin 300 degrees?

Important Angle Summary

θ° θradians sin(θ)
270° 3π/2 -1
300° 5π/3 -√3/2
315° 7π/4 -√2/2
330° 11π/6 -1/2

What is the value of sin 150?

The value of sin 30 degrees and sin 150 degrees are equal. Both are equal because the reference angle for 150 is equal to 30 for the triangle formed in the unit circle. The reference angle is formed when the perpendicular is dropped from the unit circle to the x-axis, which forms a right triangle.

How do you find cos180?

To find the value of cos 180 degrees from the Cartesian plane, the value 180 degree takes place in the second quadrant. As the cosine values in the second quadrant always take a negative value. From the value of cos 0, we will obtain the value of cos 180°. It is also represented in terms of radians.

How do you find the value of sin 90?

Start measuring the angles from the first quadrant and end up with 90° when it reaches the positive y-axis. Now the value of y becomes 1 since it touches the circumference of the circle. Therefore the value of y becomes 1. Therefore, sin 90 degree equals to the fractional value of 1/ 1.

What does Sine mean?

In mathematics, the sine is a trigonometric function of an angle. The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle, to the length of the longest side of the triangle (the hypotenuse).

Is Cos Sin Tan?

The tangent of x is defined to be its sine divided by its cosine: tan x = sin x cos x . The cotangent of x is defined to be the cosine of x divided by the sine of x: cot x = cos x sin x .

What is the formula of 1 cos theta?

(Math | Trig | Identities)

sin(theta) = a / c csc(theta) = 1 / sin(theta) = c / a
cos(theta) = b / c sec(theta) = 1 / cos(theta) = c / b
tan(theta) = sin(theta) / cos(theta) = a / b cot(theta) = 1/ tan(theta) = b / a