Calculation of values of trigonometric functions
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Trigonometric
reduction formulas - the reference angles
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Calculation of values of trigonometric functions of an arbitrary angle
x, examples
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Basic relationships
between trigonometric functions of the same angle
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Basic relationships
between trigonometric functions of the same angle shown in the
unit circle
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Basic relationships
between trigonometric functions shown in the tabular form
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Trigonometric
expressions examples
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46
The
addition formulas and related identities
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Deriving the addition formulas
for sine and cosine functions
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The addition formulas for
tangent and cotangent functions
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Trigonometric
functions of double angles, double angle formulas
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Trigonometric functions expressed by the half
angle
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Trigonometric
functions of double angles
expressed by the tangent function
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Trigonometric functions expressed by the
tangent of the half angle
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Half angle formulas
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Trigonometric functions expressed by the
cosine of the double angle
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47
Sum to product and
product to sum formulas or identities
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Sum to product formulas
for the sine and the cosine functions
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Sum to product formulas
for the tangent and the cotangent functions
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The product to sum
formulas for the sine and cosine functions
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Trigonometric
identities
examples
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48
Trigonometric
functions and inverse trigonometric functions or arc-functions
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Trigonometric
functions graphs and relations
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The graph of the
sine function f(x) = sin
x
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Properties of the sine
function
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The graph of the cosine function
f
(x) = cos
x
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Properties of the
cosine function
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The graph of the
tangent function f
(x) = tan
x
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Properties of the tangent function
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The
graph of the cotangent function f
(x) = cot
x
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Properties of the
cotangent function
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The
graph of the function y = a
sin
(bx + c)
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The function y = a
sin
x
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The function y = sin
bx
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The function y = sin
(x + c)
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The function y = a
sin
(bx
+ c)
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49
Inverse trigonometric functions
or arc-functions and their graphs
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Inverse
functions
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The
arc-sine function and the arc-cosine function
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The
arc-sine function
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The
arc-cosine function
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The
graphs of the
arc-sine
function and the arc-cosine
function
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The
arc-tangent function and the
arc-cotangent function
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The
arc-tangent function
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The arc-cotangent function
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The
graphs of the
arc-tangent function and the
arc-cotangent function
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The
arc-cosecant function and the arc-secant function
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The
arc-cosecant function
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The
arc-secant function
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The
graphs of the
arc-cosecant and the
arc-secant function
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50
Trigonometric
equations
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Basic trigonometric
equations
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The equation sin
x = a, -1
<
a <
1
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The equation sin
x = a
example
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The equation cos
x = a,
-1
<
a <
1
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The equation cos
x = a
example
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