The formula T = 1/f relates the period of a sound wave T to its frequency f. Solve this formula for f.

multiply both sides by f, then divide both sides by T.

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To solve the formula T = 1/f for f, we need to isolate the frequency variable on one side of the equation.

Step 1: Start with the given formula T = 1/f.

Step 2: Multiply both sides of the equation by f to eliminate the fraction:

T * f = 1.

Step 3: Rearrange the equation by dividing both sides by T:

f = 1 / T.

Therefore, the formula for f is f = 1 / T.