lazoeniAbigsr lazoeniAbigsr
  • 21-11-2016
  • Mathematics
contestada

determine the exact value of the trig ratios:
cos(13pi/4)
cot(11pi/2)
sec(5pi/3)

Respuesta :

syed514
syed514 syed514
  • 21-11-2016

This isn't the only trick you'll need, but it will help you get these expressions in terms you'll be able to handle more easily. For example, for the cot example above: cot(-pi/2) = cos(-pi/2)/sin(-pi/2) = 0/-1 = 0

Answer Link

Otras preguntas

please help with another math question
A drug molecule that inhibits or blocks a neurotransmitter's action is called
The main significance of the trial of john t. scopes was that _____.
Mitotic divisons begin with a parent cell. how do the resulting daughter cells compare to the parent cell
The microscope that allows the specimen to appear three-dimensional is the
What was created to placate anti-federalists after the constitution was ratified?
What are the answers to chapter 17 in der eisdiele
According to Freytag’s Pyramid, what stage comes directly after the climax? exposition denouement resolution rising action
How is this so far?
A tree casts a shadow x = 100 ft long when a vertical rod 6.0 ft high casts a shadow 4.0 ft long. (See the illustration.) How tall is the tree? (Round your an