1. sec?x csc² x = sec?x + csc?x 2. sec4x- sec2x = tan4 x + tan²x 3. (1- sin x) / cos x = cos 4. (1 + cot x) = csc x (cos x + sin x )

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A: If a function involves any trigonometric expressions, then that function is called Trigonometric…

Q: subject: calculus    sin\theta =-.3148, \theta in Quadrant III

A: sin\theta =-.3148, \theta in Quadrant III Find the value of theta

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A:

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A:

Q: What are the Trigonometric Identities?

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A: The given question has been solved in detail

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Q: Define the term Trigonometric Identities?

A: To define: The term trigonometric identities.

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A: Sol

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A:

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A: Which trigonometric functions are even?