if cotA+1/cotA=2 then find the value of cot^2A+1/cot^2A
if cotA+1/cotA=2 then find the value of cot^2A+1/cot^2A
S. Haris Ahmed Irfan , 11 Years ago
Grade 12
10 grade maths> if cotA+1/cotA=2 then find the value of c...
2 Answers
SHAIK AASIF AHAMED
Hello student,
Please find the answer to your question below
givencotA+1/cotA=2
let x=cotA
then x+1/x=2
squaring on both sides we get
x2+1/x2+2=4
so x2+1/x2=2
substituting x=cotA in above expression we get
cot2A+1/cot2A=2
Please find the answer to your question below
givencotA+1/cotA=2
let x=cotA
then x+1/x=2
squaring on both sides we get
x2+1/x2+2=4
so x2+1/x2=2
substituting x=cotA in above expression we get
cot2A+1/cot2A=2
rahul
the answer shall be 2
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