Question

if A+1/cotA=1.then find the value of cot^2A+1/cot^2A​

Answer 1

Answer:

like my answer

follow me

Step-by-step explanation:

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