Tan3A = (3 TanA - Tan^3 A) / (1 - 3 Tan^2 A) | PROOF OF TAN 3A | TRIGONOMETRY

NCERT CLASS 11 MATHS solutions
NCERT CLASS 12 MATHS solutions
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CLASS 11
SETS :
• SETS ( NEW )
RELATIONS AND FUNCTIONS :
• RELATIONS AND FUNCTION...
TRIGONOMETRY :
• TRIGONOMETRY ( NEW )
PRINCIPAL OF MATHEMATICAL INDUCTION :
• PRINCIPLE OF MATHEMATI...
COMPLEX NUMBERS
• COMPLEX NUMBERS AND QU...
LINEAR INEQUALITIES
• LINEAR INEQUALITIES
PERMUTATIONS AND COMBINATIONS :
• PERMUTATIONS & COMBINA...
BINOMIAL THEOREM
• BINOMIAL THEOREM
SEQUENCE AND SERIES
• SEQUENCE AND SERIES
STRAIGHT LINES
• STRAIGHT LINES ( NEW )
CONIC SECTION
• CONIC SECTION ( NEW )
3D GEOMETRY
• 3D GEOMETRY
LIMITS AND DERIVATIVES
• LIMITS
MATHEMATICAL REASONING
• MATHEMATICAL REASONING
STATISTICS
• STATISTICS
PROBABILITY
• PROBABILITY

CLASS 12

RELATIONS AND FUNCTIONS
• CARTESIAN PRODUCT OF S...

INVERSE TRIGONOMETRIC FUNCTIONS
• LEARN DEFINITION OF IN...

MATRICES
• WHAT IS MATRIX (DEFINI...

DETERMINANTS
• DETERMINANTS || DEFINI...

CONTINUITY AND DIFFERENTIABILITY
• CONTINUITY & DIFFERENT...

APPLICATIONS OF DERIVATIVES
• WHAT IS RATE MEASURE |...

INTEGRATION
• INTEGRATION (NEW)

APPLICATIONS OF INTEGRATION
• APPLICATIONS OF INTEGR...

DIFFERENTIAL EQUATIONS
• HOW TO FIND ORDER AND ...

VECTOR ALGEBRA
• VECTOR ALGEBRA

THREE DIMENSIONAL GEOMETRY
• 3D GEOMETRY

LINEAR PROGRAMMING
• LINEAR PROGRAMMING PRO...

PROBABILITY
• PROBABILITY ( CLASS 12 )

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