How did you get 25/25

April 9, 2026Mathematics

ScanSolve AI Answer

Step-by-step solution

3 steps

To subtract a fraction from a whole number, the whole number needs to be expressed as a fraction with the same denominator as the fraction being subtracted.
In the expression $1 - \frac{9}{25}$ , the denominator of the fraction is 25.
To express 1 as a fraction with a denominator of 25, we multiply 1 by $\frac{25}{25}$ (which is equivalent to 1).
$1 = 1 \times \frac{25}{25} = \frac{25}{25}$
Now, substitute $\frac{25}{25}$ back into the equation
$\cos^2 \theta = \frac{25}{25} - \frac{9}{25}$
This allows for direct subtraction of the numerators.

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