khalilkairo77 khalilkairo77

26-02-2020
Mathematics

contestada

What is the relationship between cos(90°) and cos(-90°)?

Respuesta :

sqdancefan sqdancefan

26-02-2020

Answer:

they have the same value (0)

Step-by-step explanation:

Cosine is an even function, meaning that cos(x) = cos(-x). When x=90°, we have ...

cos(90°) = cos(-90°)

Both values happen to be zero.

Answer Link

Otras preguntas

what is the mean if 42

or Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks. Arianna is a salon owner. Yesterday, she did 1

A recipe calls for 8.9 grams of flour. If you have 133.5 grams of flour, how many batches, b, of the recipe can you make? 133.5 8.9 = b

Could someone please help me with this problem.

How have the main characters developed over the course of the play so far? Has it been for the worse or for the better? In twelfth night act 4

Ana paitend 1/4of a line, silas 1/3 and john 1/5 if the rest of the line is 50m how long is the line

A regulation basketball has a 11 cm diameter and may be approximated as a thin spherical shell. How long will it take a basketball starting from rest to roll wi

How has media reflected the societal characteristics of the eras in which they were created and evolved? (Not a history question this is for Communications)

Johnny started working at the local grocery store this year and earns $9.75 for every hour he works. There is a proportional relationship between the number of

Le falta uno para ser la desena