charliebroadbent charliebroadbent
  • 10-04-2021
  • Mathematics
contestada

f(x) = cos(x - 90°)
Which is the value of f(0°)?
A 1
B 0
C-1
1
2

Respuesta :

ArlenH ArlenH
  • 10-04-2021
The answer is B.
f(x)= cos(x-90) = -cos(90-x)
(If you know how to, draw the CAST chart)
-cos(90-x)= -sin(x)
Sub. x=0, -sin(0)= 0
Answer Link

Otras preguntas

Find a root of the Equation, x2 − 4x −10 = 0 using bisection method.
What initiatives are you implementing as an institution to address substance abuse?
Please help me on this
How do you think the cells and proteins in your body played a part?
Which of the following muscles is a flexor that contracts to bend your arm? A)Deltoids B)Trapezius C)Biceps D)Triceps
Do you think it’s more effective to sound positive or negative in a public speech?
Q1: In about 200 words, write an essay analyzing the below case study using the SWOT framework. • Students are required to define each key concept (SWOT) and t
i need help with this one
So can someone explain how the heck does 4 x 4 x 4 = 64?? Cause I keep on getting 12 so like wth??
What is the value found using the linear​ approximation? ln(0.93) ≈
good job