if tan(a+b-c)/tan(a-b+c)=tan(a)/tan(b) then prove that sin(b-c)=0 or sin(2a)+sin(2b)+sin(2c)=0
chaman , 11 Years ago
Grade 12
Trigonometry> if tan(a+b-c)/tan(a-b+c)=tan(a)/tan(b) th...
1 Answers
Nirmal Singh.
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Nirmal Singh
Askiitians faculty
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