This trigonometry video tutorial explains how to solve trigonometric equations by factoring and by using double angle formulas and identities. It explains how to factor trigonometric expressions using the difference of perfect squares method and the same techniques used to factor trinomials in algebra.
Verifying Trigonometric Identities: https://www.youtube.com/watch?v=Rf05H8ogHLg
Sum and Difference Identities: https://www.youtube.com/watch?v=gEhxBFQCYic
Double Angle Identities: https://www.youtube.com/watch?v=SE5SBTgrwH8
Verifying Trig Identities With Double Angles: https://www.youtube.com/watch?v=Wh7hM_FsN3Y
Power Reducing Formulas: https://www.youtube.com/watch?v=U6yjjaK8aCc
Half Angle Formulas: https://www.youtube.com/watch?v=9YI69okba3c
Verifying Trig Identities Using Half Angles: https://www.youtube.com/watch?v=qWJ4HwJ_5LY
Inverse Trig Functions With Double Angles: https://www.youtube.com/watch?v=waDbbpib9cM
Right Triangle Trig With Half Angle Identities: https://www.youtube.com/watch?v=vEU25NlpaXA
Product To Sum + Sum to Product Formulas: https://www.youtube.com/watch?v=8Prc7VGt40w
Solving Trig Equations – Finding All Solutions: https://www.youtube.com/watch?v=kEcbxiLeGTc
Solving Trig Equations With Multiple Angles: https://www.youtube.com/watch?v=eZPEW2hVUd0
Solving Trig Equations With Double Angles: https://www.youtube.com/watch?v=-R7394Dn854
Trigonometry Final Exam Review: https://www.youtube.com/watch?v=OAsbx4TEnL0
Law of Sines: https://www.youtube.com/watch?v=8qezAG2r0sk
More Examples – Law of Sines: https://www.youtube.com/watch?v=9fS0uA4iLxI
Area of an Oblique Triangle: https://www.youtube.com/watch?v=vPt6j5e_uhE
The Height of a Triangle – Heron’s Formula: https://www.youtube.com/watch?v=a1PR9O1Va84
Law of Cosines: https://www.youtube.com/watch?v=9CGY0s-uCUE
Polar Coordinates: https://www.youtube.com/watch?v=aSdaT62ndYE
Polar Equations to Rectangular Equations: https://www.youtube.com/watch?v=flTz_pSzVFI
Rectangular Equations to Polar Equations: https://www.youtube.com/watch?v=fTBkr27r3pw
How To Graph Polar Equations: https://www.youtube.com/watch?v=jO4lwddfeDA
Complex Numbers – De Moivre’s Theorem: https://www.youtube.com/watch?v=J6TnZxUUzqU
Dot Product of Two Vectors: https://www.youtube.com/watch?v=VzX8KJKFhlM
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