) If '' is an acute angle and Sin 0 = Cos 0, find the value of and
ence find the value of 3 tan20 +2 Sin20.1
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tanθ+cotθ=2
tanθ+tanθ1=2
tanθtan2θ+1=2
tan2θ−2tanθ+1=0
(tanθ−1)2=0
tanθ=1
θ=45o
Therefore, tan7θ+cot7θ=1+1=2
tanθ+cotθ=2
tanθ+tanθ1=2
tanθtan2θ+1=2
tan2θ−2tanθ+1=0
(tanθ−1)2=0
tanθ=1
θ=45o
Therefore, tan7θ+cot7θ=1+1=2
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