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5. if the expression cos^2(pi/11)+cos^2(...

5. if the expression `cos^2(pi/11)+cos^2((2pi)/11)+cos^2((3pi)/11)+cos^2((4pi)/11)+cos^2((5pi)/11)` has the value equal to p/q in it lowest from ; then find (p+q)

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Step by step text solution for 5. if the expression cos^2(pi/11)+cos^2((2pi)/11)+cos^2((3pi)/11)+cos^2((4pi)/11)+cos^2((5pi)/11) has the value equal to p/q in it lowest from ; then find (p+q) by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

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