if tan theta + cot theta is equal to 5 then find the value of tan square theta + cot square theta
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Step-by-step explanation:
tanA+cotA=5
squaring on both sides ,
tan^2A+cot^2A+2tanAcotA =25
tan^2A+cot^2 A+ 2tanA×1/tanA =25
tan^2A+cot^2A=25-2 =23
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