Math, asked by Haashi, 1 year ago

if tanA+cotA=7 then find tansquareA+cotsquareA

Answers

Answered by abhi569
4
TanA + cot A =7

Square on both sides,

(TanA+CotA) ²=7²

Tan²A+cot²A+2(tanA*1/tanA) =49

Tan²A+cot²A=49-2

Tan²A+cot²A=47
Answered by nitthesh7
5
as given
tanA+cotA=7
squaring on both sides
(tanA+cotA)²=7²
tan²A+cot²a-2tanAcotA=49
tan²A+cot²a-2tanA1/tanA=49
tan²A+cot²A-2=49
tan²A+cot²A=49-2
tan²A+cot²A=47

:) Hope this helps!!!!!!!!!!!

nitthesh7: if it was most helpful mark it as brainliest
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