Question

which expression is equivalent to (1-sin^2 x)(sec x)?
sec^2 x
tan x
tan^2 x
cos x
cos^2 x

Answer 1

i don't know

Answer 2

hint:
\[1 = \sin^2x + \cos^2x , secx = \frac{ 1 }{ cosx }\]

Answer 3

what is this.what grade are you on

Answer 4

11th grade algebra 2

Answer 5

for real

Answer 6

I'm going to 9 grade next year