if tanA+cotA=7 then find tansquareA+cotsquareA
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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
Square on both sides,
(TanA+CotA) ²=7²
Tan²A+cot²A+2(tanA*1/tanA) =49
Tan²A+cot²A=49-2
Tan²A+cot²A=47
Answered by
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!!!!!!!!!!!
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:
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