2 Answers
m= tanA+sinA n=tanA-sinA L.S= m²-n² =(m+n)(m-n) =2tanA.2sinA R.S=4√mn =4√(tanA+sinA)(tanA-sinA) =4√(tan²A-sin²A) =4√{(sin²A/cos²A)-sin²A} =4√{(sin²A-sin²Asos²A)/cos²A} =4√[{sin²A(1-cos²A)}/cos²A] =4√(sin²A.sin²A)/cos²A =4tanA.sinA =2tanA.2sinA
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Answered
m= tanA+sinA
n=tanA-sinA
L.S= m²-n²
=(m+n)(m-n)
=2tanA.2sinA
R.S=4√mn
=4√(tanA+sinA)(tanA-sinA)
=4√(tan²A-sin²A)
=4√{(sin²A/cos²A)-sin²A}
=4√{(sin²A-sin²Asos²A)/cos²A}
=4√[{sin²A(1-cos²A)}/cos²A]
=4√(sin²A.sin²A)/cos²A
=4tanA.sinA
=2tanA.2sinA
2935 views
Answered