Solve 45-sin(45)

$$45- \sin ( 45 )$$

Evaluate

$$-\frac{\sqrt{2}}{2}+45\approx 44.292893219$$

Short Solution Steps

Get the value of \sin(45) from trigonometric values table.

$$45-\frac{\sqrt{2}}{2}$$

To add or subtract expressions, expand them to make their denominators the same. Multiply 45 times \frac{2}{2}.

$$\frac{45\times 2}{2}-\frac{\sqrt{2}}{2}$$

Since \frac{45\times 2}{2} and \frac{\sqrt{2}}{2} have the same denominator, subtract them by subtracting their numerators.

$$\frac{45\times 2-\sqrt{2}}{2}$$

Do the multiplications in 45\times 2-\sqrt{2}.

$$\frac{90-\sqrt{2}}{2}$$