Question

Which expression is equivalent to (cos x)(tan(-x))?

Answer 1

- sin x
sin x
- csc x
csc x

Answer 2

\[\tan (-x) = - \tan x\]

Answer 3

Tan x =sin x/cos x
Right?

Answer 4

yes

Answer 5

So u can cancell cos x frm denominator nd numerator

Answer 6

i know answer is not b

Answer 7

-cos x* sin x/cos x=?

Answer 8

cos x * - tan x

= cos x * -sin x / cos x

Answer 9

so answer is a

Answer 10

U hv to cancell out cos x frm both denominator nd numerator

Answer 11

cos x cancels out leaving ?

Answer 12

Right!!!

Answer 13

- sin x Yes