25-05-2021
Mathematics

contestada

Which angle has a cotangent value of -1?
a. Quadrant 1
b. Quadrant 2
c. 120 degrees
d. 135 degrees

Respuesta :

26-05-2021

Answer:

Solution given:

cotangent x=cot x=-1

now

x=cot -¹(-1)

x=180-45°

x=135°

So

ans is d. 135 degrees.

as cot is negative in 2nd quadrant.

Answer Link

Otras preguntas

Which is the last step that occurred in the speciation of the Galápagos finches? A. ecological competition B. geographic isolation C. establishing ge

please help me anwser this question

If X+y+z=2 Xy+xz+yz=-5 X^2 + y^2 + z^2 = 14 Find X, y, and z

The area of a rectangle is 44 ft2 , and the length of the rectangle is 3 ft less than twice the width. find the dimensions of the rectangle.

Write 7.085 × 10-14 as an ordinary number 0.000 000 000 007 085 0.000 000 000 000 708 5 0.000 000 000 000 0708 5 0.000 000 000 000 0070 85

How many electoral votes does nevada have?

humans and baboons are each a type of what

Rebecca harding davis, realist author, is well known for her work _____.

Why is it harder to ratify an amendment than to propose it?

Why are percents used to compare ratios when the wholes are different