SOLUTION: Can someone please help me with my questions please m practicing for exams thanks! (John please dont help me i need another tutor on this to help me understand this concept) 1.)

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Question 762685: Can someone please help me with my questions please m practicing for exams thanks! (John please dont help me i need another tutor on this to help me understand this concept)
1.)Solve the following equations
a)2sin4x=srt 3 on the interval [0,2pie)
b)4cos^2x+3sinx=4 on the interval
[0,2)
2.)solve the equation 2 cosx-sqrt(3)=0 on the interval [0,2pie)
Find all solutions (2x+pie/6)=-1/2

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Sorry, you don't get to choose who helps you.

2.

Add to both sides and multiply both sides by



Look at the unit circle:



Locate all of the points of intersection of terminal rays and the unit circle where the -coordinate is equal to . You should find two of them. Once around the circle is enough because you are restricted to

By the way, "pie" is a food item. "pi" is the lower case letter from the Greek alphabet denoting the ratio between the circumference of a circle and its diameter.

Oh, and one more thing: One question per post.

John

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