Prove that tanA+cotA = 2
S0rav:
TanA + cotA =2
Square both side
Tan^2A + cot^2A +2tanAcotA
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tanA+cotA= 2
tanA +1/tanA=2
tan^2A +1=2tanA
tan^2A-tanA-tanA+1=0
tanA(tan-1)-1(tanA-1)=0
tanA=1
therefore A=45°
now, tan45°+cot45°=1+1=2
Hence proved......!!
Hope it helps you ! ☺☺
tanA +1/tanA=2
tan^2A +1=2tanA
tan^2A-tanA-tanA+1=0
tanA(tan-1)-1(tanA-1)=0
tanA=1
therefore A=45°
now, tan45°+cot45°=1+1=2
Hence proved......!!
Hope it helps you ! ☺☺
Thanks it helped me a lot
ur most welcome !! ☺
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