Posted by **kate** on Monday, August 8, 2011 at 10:29pm.

Find cos x if sin x cot x = 4.

I got 4 but isnt it impossible for cos to equal 4? Isnt it only supposed to range from -1 to 1?

the answer choices are

1)4

2)2

3)1

4)sqrt 2

- math -
**MathMate**, Monday, August 8, 2011 at 10:39pm
You're quite right!

None of the answers can be correct, since they all exceed 1.

Could you check the question?

- math -
**kate**, Monday, August 8, 2011 at 11:21pm
Thanks for answering! and yes i think there is an error in the question

- math -
**MathMate**, Monday, August 8, 2011 at 11:33pm
In fact, (3) is a feasible answer, but does not suit the given question.

## Answer This Question

## Related Questions

- algebra - Can someone please help me do this problem? That would be great! ...
- Trigonometry - Please review and tell me if i did something wrong. Find the ...
- Math - cos(tan + cot) = csc only simplify one side to equal csc so far I got ...
- TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...
- Math - Solve this equation algebraically: (1-sin x)/cos x = cos x/(1+sin x) --- ...
- trig - it says to verify the following identity, working only on one side: cotx+...
- Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...
- Pre-Calculus - I don't understand,please be clear! Prove that each equation is ...
- Trigonometry - Hello all, In our math class, we are practicing the trigonometric...
- Pre-Calculus - Prove that each equation is an identity. I tried to do the ...

More Related Questions