Title: Trigonometric equations

Very, Very Important formula:

Basic trigonometric equations:

Example 1:

Solution: We know that the  therefore

Example 2:

Solution: We know that the  therefore

Example 3:

Solution : We know that the  therefore

Advanced trigonometric equations

Example 4:

Solution:

Step 1:  To solve for x, you must first isolate the sine term.

Step 2:  We know that   therefore

Example 5:

Solution:

Step 1:  To solve for x, you must first isolate the tangent term.

Step 2:  We know that     and    therefore

Example 6:

Solution

Step 1:  To solve for x, you must first isolate the cosine term.

Step 2:  We know that   therefore

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