Question

(tan 60+1/tan 60-1) ^2= (1+cos30/1-cos30)prove that​

Answer 1

Answer:

L.H.S=

(tan60+1/tan60-1)²

(root3+1/root3-1)²

(root3+1)²/(root3-1)²

(3+2root3+1)/(3-2root3+1)

(4+2root3)/(4-2root3)

2(2+root3)/2(2-root3)

(2+root3)/(2-root3)

R.H.S=

(1+cos30)/(1-cos30)

(1+(root3/2))/(1-(root3/2))

(2+root3)/2÷(2-root3)/2

(2+root3)/(2-root3)

L.H.S=R.H.S

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