SOLUTION: Hi. This is for a summer AP Calculus Assignment. Please help me:
{{{ 2cos( x )= sqrt( 3 ) }}} on the interval {{{0 < x < 2pi }}}
I subtracted the sqrt3 but I haven't taken Tr
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Question 766208: Hi. This is for a summer AP Calculus Assignment. Please help me:
on the interval
I subtracted the sqrt3 but I haven't taken Trig in 2 years and I don't know what to do next
Thank you so much!
Found 2 solutions by kmadison, solver91311:
Answer by kmadison(20) (Show Source): You can put this solution on YOUR website!
All you need to do is divide by 2 and take x =
which can easily be found using the unit circle.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
\ =\ \sqrt{3})
Divide by 2
\ =\ \frac{\sqrt{3}}{2})
)
Look at the unit circle:
The cosine of the angle formed by the 
-axis and the terminal ray is the -coordinate of the intersection of the terminal ray and the unit circle. Find the two points in the diagram that have -coordinates of 
. The indicated angles are your two possible values for in your problem.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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