formula of aafftr class 11
Answers
Answer:
Algebra Formulas For Class 11
Distributive Property a×(b+c)=a×b+a×c
Commutative Property of Addition a+b=b+a
Commutative Property of Multiplication a×b=b×a
Step-by-step explanation:
Algebra Formula-
List of Maths Formulas for 11th Class
Here is a list of Maths formulas for CBSE class 11.
Coordinate Geometry & Line Formula
Coordinate Geometry & Lines Formulas for Class 11
Distance Formula
|
P
1
P
2
|
=
√
(
x
2
−
x
1
)
2
+
(
y
2
−
y
1
)
2
Slope
m
=
r
i
s
e
r
u
n
=
Δ
y
Δ
x
=
y
2
−
y
1
x
2
−
x
1
Point-Slope Form
y
−
y
1
=
m
(
x
−
x
1
)
Point-Point Form
y
−
y
1
=
y
2
−
y
1
x
2
−
x
1
(
x
−
x
1
)
Slope-Intercept Form
y
=
m
x
+
b
Intercept-Intercept Form
x
a
+
y
b
=
1
General Form
A
x
+
B
y
+
C
=
0
Parallel & Perpendicular Lines Parallel Lines
m
1
=
m
2
Perpendicular Lines
m
1
m
2
=
−
1
Distance from a Point to a Line
d
=
|
A
x
0
+
B
y
0
+
C
|
√
A
2
+
B
2
Algebra Formula-
Algebra Formulas For Class 11
Distributive Property
a
×
(
b
+
c
)
=
a
×
b
+
a
×
c
Commutative Property of Addition
a
+
b
=
b
+
a
Commutative Property of Multiplication
a
×
b
=
b
×
a
Associative Property of Addition
a
+
(
b
+
c
)
=
(
a
+
b
)
+
c
Associative Property of Multiplication
a
×
(
b
×
c
)
=
(
a
×
b
)
×
c
Additive Identity Property
a
+
0
=
a
Multiplicative Identity Property
a
×
1
=
a
Additive Inverse Property
a
+
(
−
a
)
=
0
Multiplicative Inverse Property
a
⋅
(
1
a
)
=
1
Zero Property of Multiplication
a
×
(
0
)
=
0
Trigonometric Formula-
Trigonometry Class 11 Formulas
sin
(
−
θ
)
=
−
sin
θ
cos
(
−
θ
)
=
cos
θ
tan
(
−
θ
)
=
−
tan
θ
c
o
s
e
c
(
−
θ
)
=
−
c
o
s
e
c
θ
sec
(
−
θ
)
=
sec
θ
cot
(
−
θ
)
=
−
cot
θ
Product to Sum Formulas
sin
x
s
i
n
y
=
1
2
[
cos
(
x
–
y
)
−
cos
(
x
+
y
)
]
cos
x
cos
y
=
1
2
[
cos
(
x
–
y
)
+
cos
(
x
+
y
)
]
sin
x
cos
y
=
1
2
[
sin
(
x
+
y
)
+
sin
(
x
−
y
)
]
cos
x
sin
y
=
1
2
[
sin
(
x
+
y
)
–
sin
(
x
−
y
)
]
Sum to Product Formulas
sin
x
+
sin
y
=
2
sin
(
x
+
y
2
)
cos
(
x
−
y
2
)
sin
x
−
sin
y
=
2
cos
(
x
+
y
2
)
sin
(
x
−
y
2
)
cos
x
+
cos
y
=
2
cos
(
x
+
y
2
)
cos
(
x
−
y
2
)
cos
x
−
cos
y
=
–
2
sin
(
x
+
y
2
)
sin
(
x
−
y
2
)