Question Simplify the expression a−90 Evaluate 1×a−90Solution a−90 Show Solution Find the roots a=90 Evaluate 1×a−90To find the roots of the expression,set the expression equal to 0 1×a−90=0Any expression multiplied by 1 remains the same a−90=0Move the constant to the right-hand side and change its sign a=0+90Solution a=90 Show Solution
Algebra
Calculus
Trigonometry
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