Question

Simplify the expression. sin^(2)x-1/cos-x

Answer 1

-sin x

cos x

sin x

-cos x

Answer 2

answer choices

Answer 3

is it 1/cosx
@pvs285

Answer 4

no

Answer 5

(sin^(2)x-1)/cos-x

Answer 6

does that clear it up?

Answer 7

@gorv help plz

Answer 8

is it cos(-x)
???

Answer 9

yes

Answer 10

whats the answer?

Answer 11

cos-x=cosx

Answer 12

\[\sin^{2}x-1=\cos^{2}x\]

Answer 13

\[\cos^{2}x/cosx\]

Answer 14

sorry sin^2x + cos^2x=1
sin^2x-1=-cos^2x

Answer 15

ans -cosx

Answer 16

@pvs285

Answer 17

@gorv u there

Answer 18

yeah

Answer 19

is it -cosx?

Answer 20

-cosx