Solving Trigonometric Equations

Directions: Using the digits 1 to 9, at most one time each, find the equation whose solution is the largest value of x (from 0 to 360, or 0 to 2π).

Hint

What numbers will give you the smallest value of x?
What numbers would be best to avoid?
What quadrant should your angle be in?

Answer

Largest:

3, 6, 9
1, 3, 4
4, 5, 9

Anywhere that the 1st number = the 3rd number minus the 2nd number

Source: Mishaal Surti

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