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IIT - JEE
maths
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suneha
March 2012
A +B =PI\2 B+C=A THEN TAN(A)=?
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suneha
March 2012
CAN U PLEASE TELL THE ANS?
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priyanka
April 2012
Hi Suneha!
There you go:
1. A +B = pi/2
B = pi / 2 - A
tan B = Cot A
2. Given A = B + C
Tan A = Tan ( B + C ) = (tan B + Tan C ) / 1 - tan B Tan C
Tan A - Tan A Tan B Tan C = Tan B + Tan C
Tan A - Tan A . Cot A Tan C = Tan B + Tan C
Tan A - Tan C = Tan B + Tan C
Tan A = Tan B + 2 Tan C
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priyanka
April 2012
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March 2012
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