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180+\theta _{1}-\alpha
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180+\theta _{1}-\alpha
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180-\alpha -\left(-\theta _{1}\right)
To find the opposite of \alpha -\theta _{1}, find the opposite of each term.
180-\alpha +\theta _{1}
The opposite of -\theta _{1} is \theta _{1}.
180-\alpha -\left(-\theta _{1}\right)
To find the opposite of \alpha -\theta _{1}, find the opposite of each term.
180-\alpha +\theta _{1}
The opposite of -\theta _{1} is \theta _{1}.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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