Question #5181
Add & Simplify
1/1+cos(x)+1/1-cos(x)
1/1+cos(x)+1/1-cos(x)
Expert's answer
1/1+cos(x)+1/1-cos(x)=(1+cos(x)+1-cos(x))/(1-(cos(x))^2)=2/(sin(x))^2=2(1+(cotan(x)^2))
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#340153 on Dec 2023
#340153 on Dec 2023