Which of the following equations are identities?
cot x = cosx/sinx
tanx = 1/cot x
cscx = 1/cos x
cscx = 1/sec x

Question

Which of the following equations are identities?
cot x = cosx/sinx
tanx = 1/cot x
cscx = 1/cos x
cscx = 1/sec x

anonymous · Answer

@Coolsector

anonymous · Answer

more than one answer as well

zugzwang · Answer

@NewbieCarrot 
???
There is no C, and the third one is not an identity...

anonymous · Answer

i didnt think so ._.

zugzwang · Answer

Have you found the answer yet?

zugzwang · Answer

What I used to do was express everything in terms of sine and cosine.

usukidoll · Answer

identities or trigonometric identities?

anonymous · Answer

no ._. and what? it can be as many as apply its not just one

usukidoll · Answer

@Mpost1994 I agree with you on this one. there's more than one answer

anonymous · Answer

I believe C is the trig identity.

anonymous · Answer

newbie..you don't know what you are talking about do you ._.

nubeer · Answer

i think 1st and 2nd one are right.

nubeer · Answer

C is wrong.
cscx = 1/sinx

anonymous · Answer

Sorry I messed up.

anonymous · Answer

4?

anonymous · Answer

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