Combining Trig Functions and Inverse Trig Functions - Part II

Combining Trig Functions and Inverse Trig Functions - Part II

University of Minnesota

Combining Trig Functions and Inverse Trig Functions - Part II

Preliminaries and Objectives

Preliminaries: ? Trig functions ? Inverse Trig Functions ? Angle Sum Formulas

Objectives: ? Find values when trig functions and inverse trig functions are combined in angle sum formulas.

University of Minnesota

Combining Trig Functions and Inverse Trig Functions - Part II

Angle Sum Formulas - Example 1

Find

sin

(

tan-1

3 4

+ cos-1

2 3

)

University of Minnesota

Combining Trig Functions and Inverse Trig Functions - Part II

Angle Sum Formulas - Example 1

Find

sin

(

tan-1

3 4

+

cos-1

2 3

)

sin

(

A

+

B

)

University of Minnesota

Combining Trig Functions and Inverse Trig Functions - Part II

Angle Sum Formulas - Example 1

Find

sin

(

tan-1

3 4

+

cos-1

2 3

)

sin

(

A

+

B

)

tan A

=

3 4

;

sin A

=

; cos A =

cos B

=

2 3

;

sin B

=

; tan B =

University of Minnesota

Combining Trig Functions and Inverse Trig Functions - Part II

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