Question

what is the range of f(x)=cos(x) y less than or equal to 0?

Answer 1

range of cos(x) is [-1, 1]

Answer 2

whats the exact question ?

Answer 3

either true or false\[the range of f(x)=cos(x) is y \le0\] sorry I asked wrong

Answer 4

false

Answer 5

ok thank you can you help me with more please?

Answer 6

im happy to help if i can, but it makes sense oly if u r also understanding them hmm soo,,,

Answer 7

what is the y value of cos(x) when x=90?

Answer 8

y = cos(x)

Answer 9

put x = 90

y = cos(90)

Answer 10

whats cos(90) ?

Answer 11

its multiple choice
a. -1
b.0
c.1/2
d.1

Answer 12

to answer that, u need to know cos(90)

Answer 13

use ur calculator, or google and see wat u get for cos(90)

Answer 14

https://www.google.co.in/search?q=cos(90)&oq=cos(90)&aqs=chrome.0.57j60j0j65j0.2238j0&sourceid=chrome&ie=UTF-8#safe=off&sclient=psy-ab&q=cos(90+degrees)&oq=cos(90+degrees)&gs_l=serp.3..0j0i30l9.3709.5608.1.5846.8.8.0.0.0.0.290.1384.0j7j1.8.0...0.0.0..1c.1.17.serp.04EaVlb1oBw&psj=1&bav=on.2,or.r_cp.r_qf.&bvm=bv.48705608,d.bmk&fp=354acbfbcaf1d92f&biw=1840&bih=1019

Answer 15

so its 0?

Answer 16

cos(90) = 0

yes !

Answer 17

what is the domain of f(x)=cos(x)?
what is the y value of tan(x) when x=-180
the range of \[f(x)=\sin(x)is-1 \le y \le 1\]

soo sorry about all the questions I really don't understand this section

Answer 18

@rsadhvika please help