madisongarrido madisongarrido
  • 03-10-2018
  • Mathematics
contestada

If the sin 90 = 1 , then the cos 0 =

Respuesta :

jvabarquez07 jvabarquez07
  • 03-10-2018

Rule of trigonometric functions:-

sin a = cos(90 - a)

Here a = 90°.

sin 90 = cos (90 - 90)

1 = cos 0.

cos 0 = 1.


So the cos 0 = 1.

Answer Link
zagreb zagreb
  • 17-09-2019

Answer:

Step-by-step explanation:

If sin 90 = 1

then cos 0 will be

as we know that

cosx = sin(90-x)

If we plug x = 0 ,

cos0  = sin 90 = 1

Answer Link

Otras preguntas

Explain the connection, or relationship between a protagonist and an antagonist.
how is a knoll formed
Containment was a policy in which the U.S. tried to do what?
What is the series equivalent of two 1000 W resistors in series?
16x^2-24x+7=0 equation and/or inequalities
Which of the following did NOT grow or increase as a result of early farming? villages trade life spans cities
If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only
what is the value for the expression -5+ 5
Who was the so-called new middle-class? What was the role of expertise and organization in this new professionalism?
What are the two largest ethnic groups in the united states today?