Question

Which function is even?
(CHOOSE ALL THAT APPLY!!!!)

A. y = cot x
B. y = sin x
C. y = csc x
D. y = sec x

**my answer: A and D

is that right?? :)

Answer 1

hey @Luis_Rivera :)

Answer 2

hi. yes, it A and D

Answer 3

awesome!! kk thanks!! :)

Answer 4

kk

Answer 5

(2) Odd Function

A function f (t) is said to be 'Odd' when it satisfies the condition f (-t) = -f (t)
For example, sin (-t) = -sin t, csc (-t) = -csc
tan (-t) = -tan t, cot (-t) = -cot (t)

are 'odd' circular functions.

Answer 6

(1) Even Function

A function f (t) is said to be 'Even' when it satisfies the condition f (-t) = f (t)
For example, cos (-t) = cos t, sec (-t) = sec t are even circular functions. It should be noted that the graph of an even function is symmetrical about the vertical. (i.e. y axis.)

Answer 7

wait, so does that mean A and D are still the even functions here then?

Answer 8

i think there both right