Solve trigonometric equation using identities and zero product property

The video tutorial covers cofunction identities and their transformations, focusing on secant and cosecant. It explains solving trigonometric equations using the zero product property and discusses even and odd identities. The relationship between cosecant and sine is explored, and the process of finding angles where sine equals -1 on the unit circle is demonstrated. The tutorial emphasizes understanding the periodic nature of trigonometric functions and finding all possible solutions.

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