Trigonometry : Trigonometric Functions

Study concepts, example questions & explanations for Trigonometry

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Example Questions

Example Question #21 : Trigonometric Functions

What is the value of   ?

Possible Answers:

Correct answer:

Explanation:

Solution

Example Question #22 : Trigonometric Functions

If sin 26o = t, find the value of cos 52o in terms of t.

Possible Answers:

Correct answer:

Explanation:

Since , we can use a double angle formula:

Substituting , we get .

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