Question

prove that sinx+cosx/cos^3x=tan^3x+tan^2x+tanx+1
pls very urgent pls workout with explanation

Answer 1

pls mark as brainliest pls pls

Answer 2

Answer:

answer: a=1,b=1,c=1,d=1

Step-by-step explanation:

=cosx +sinx /cos^3x

=cosx/cos^3x+sinx/cos^3x

=1/cos^2x+tanx/cos^2x

=1+tan^2x+tanx(1+tan^2x)

=tan^3x+tan^2x+tanx+1

by this you should see the front digit of tan^

now

a=1,b=1,c=1,d=1

thank you.