SOLUTION: How do you solve 7=5+sec(4x+7pi/4) 5+csc(2x+pi/3)=(15+2(sqroot3)/3) Thanks a lot!

Question 735714: How do you solve
7=5+sec(4x+7pi/4)
5+csc(2x+pi/3)=(15+2(sqroot3)/3)
Thanks a lot!
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
How do you solve
7=5+sec(4x+7pi/4)
5+csc(2x+pi/3)=(15+2(sqrt(3)/3)
***
7=5+sec(4x+7pi/4)
7-5=sec(4x+7pi/4)
2=1/cos(4x+7pi/4)
cos(4x+7pi/4)=1/2

LCD:12

...
5+csc(2x+pi/3)=(15+2(sqrt(3)/3)
csc(2x+pi/3)=15+2(sqrt(3)/3)-5
csc(2x+pi/3)=10+2(sqrt(3)/3)≈11.1547
sin(2x+pi/3)=1/11.1547≈0.0896
2x+pi/3=inverse sin(0.0896)≈0.0897
2x=0.0897-pi/3≈-0.9575
x≈-0.4787 radians
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