Ri0sVicenderIz3zysha Ri0sVicenderIz3zysha
  • 21-11-2016
  • Mathematics
contestada

how do I solve : COT pi/4 ...?

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 23-11-2016
cot x = cos x / sin x
cot π/4 = cot 45° = cos 45° / sin 45°
We know that sin 45° and sin 45° have the same value:
cos 45° = sin 45° = √2 / 2;
cos 45° / sin 45° = √2/2 : √2/2 = 1
Answer:
cot π/4 = 1
Answer Link

Otras preguntas

What is 66 2/ 3% of 39?
In a business letter, the ____, if present, begins two lines below the last line of the inside address.
Which word or phrase synonym of the word skillful is the most appropriate substitution for the underline phrase
Alex ran 0.5 mile. What number should replace the? to make a fraction equivalent to 0.5? ?/10
suppose all six equal-length strings of an acoustic guitar are played without fingering, that is, without being pressed down at any frets. what quantities are t
What two numbers give you -60 when you multiply and -11 when you add
Cuantos litros de una solución al 30% deben agregarse a 10 litros de igual solución al 16% para producir una al 25%
why do americans buy foreign goods?
For a field trip, 56 students registered. On the day of the field trip, 7 students were unable to go. Which decimal describes the ratio of students who were una
Select the correct form. The desert is _____ than the mountains. more dry drier