cosec (x) =
(The Reciprocal Trigonometric Functions)
= 1/ sin(x)
sec(x) =
(The Reciprocal Trigonometric Functions)
= 1/ cos(x)
cot(x) =
(The Reciprocal Trigonometric Functions)
= 1/ tan(x)
What is the tangent identity and its reciprocal
tan(x) = sin(x)/ cos(x)
cot(x) = cos(x)/ sin(x)
sec^2(x) =
(Pythagorean Identities)
= tan^2(x) + 1
cosec^2(x) =
(Pythagorean Identities)
= 1 + cot^2(x)
1=
(Pythagorean Identities)
= sin^2(x) + cos^2(x)
sin(2A) =
(Double Anlge Identities)
= 2sinAcosA
cos(2A) =
(Double Anlge Identities)
= cos^2(A) - sin^2(A)
cos(2A) =
(Double Anlge Identities)
= 1 - 2sin^2(A)
cos(2A) =
(Double Anlge Identities)
= 2cos^2(A) -1
tan(2A) =
(Double Anlge Identities)
2tan(A) / (1-tan^2(A))
Arc Length of a Sector
(using radians)
rx
Area of a sector
(using radians)
1/2 r^2 x
sinx =
(small angle approximations)
x
cosx =
(small angle approximations)
1 - 1/2x^2
tanx=
(small angle approximations)
x
Draw:
The Sin Graph
Refer to notes for answers
Draw:
The Cos Graph
Refer to notes for answers
Draw:
The Tan Graph
Refer to notes for answers
Draw:
The Cosec Graph
Refer to notes for answers
Draw:
The Sec Graph
Refer to notes for answers
Draw:
The Cot Graph
Refer to notes for answers
Draw:
The Arcsin Graph
Refer to notes for answers
