Trigonometry Examples

$90 + 45$

Step 1

Add using long addition.

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Step 1.1

Set up the addition in long addition format, placing the larger number on top of the smaller number.

Step 1.2

Add the numbers together from the far right column.

Step 1.3

Add the numbers together from the next column to the left. Since the result is greater than $10$ , carry the tens digit to the next column.

Step 2

The sum of $90$ and $45$ is $135$ .

$135$