If tanq+cotq=5,then find the value of tan^2q+cot^2q
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heya..!!!!
tanq + cotq = 5
on squaring both side
we get,
(tanq + cotq)² = 5²
=> tan²q + cot²q + 2tanq × 1/tanq = 25
=> tan²q + cot²q = 25 - 2
=> tan²q + cot²q = 23
tanq + cotq = 5
on squaring both side
we get,
(tanq + cotq)² = 5²
=> tan²q + cot²q + 2tanq × 1/tanq = 25
=> tan²q + cot²q = 25 - 2
=> tan²q + cot²q = 23
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