SOLUTION: Please help me solve this problem: Is this true of false: if alpha and beta are in standard position and cos alpha = cos beta, then alpha and beta must be equal. Thanks!

Algebra.Com
Question 395389: Please help me solve this problem:
Is this true of false: if alpha and beta are in standard position and cos alpha = cos beta, then alpha and beta must be equal.
Thanks!

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Is this true of false: if alpha and beta are in standard position and cos alpha = cos beta, then alpha and beta must be equal.
-----
No. alpha could be 60 degrees and beta could be 300 degrees
They both have cos = 1/2 but the angles are not equal.
----
Cheers,
Stan H.

RELATED QUESTIONS

Hi, please help me solve this problem: Is this true of false: If alpha and beta are in (answered by richard1234)
Hi, please help me solve this problem: Is this true of false: If alpha and beta are in (answered by jim_thompson5910,richard1234)
Please help me solve this question If alpha and beta are 2 positive acute angles... (answered by ikleyn)
Can someone please help me with this question?! Thank you! If cos(alpha)=0.228 and... (answered by greenestamps)
Can someone please help me with this question?! Thank you! If cos(alpha)=0.885 and... (answered by Solver92311)
Please help me evaluate this function. tan((B)beta-(a)alpha) if sin(a)=4/5 and... (answered by lwsshak3)
Hi, please help me solve this problem: Verify the identity of csc alpha - (cos... (answered by richard1234)
Please help me solve this equation: (cos^2 Alpha / csc^2 Alpha) + cos^4 Alpha = cos^2... (answered by jrfrunner)
Hi, please help me solve this problem: Suppose alpha is an acute angle and cos alpha = (answered by Alan3354)