Top Answer

Assume the angle u takes place in Quadrant IV.

Let u = arctan(-12). Then, tan(u) = -12.

By the Pythagorean identity, we obtain:

sec(u) = √(1 + tan²(u))

= √(1 + (-12)²)

= √145

Since secant is the inverse of cosine, we have:

cos(u) = 1/√145

Therefore:

sin(u) = -√(1 - cos²(u))

= -√(1 - 1/145)

= -12/√145

Otherwise, if the angle takes place in Quadrant II, then sin(u) = 12/√145

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0to find the value of an expression, you need to

To find the value of an algebraic expression is to evaluate it.

You evaluate the expression !! :)

Replace each variable in the expression by its value and then find the value of the expression.

Evaluate means find the value of.To evaluate an expression, if there are any variables replace them by their values. Then, using BIDMAS/PEMDAS, calculate the value of the expression.Evaluate means find the value of.To evaluate an expression, if there are any variables replace them by their values. Then, using BIDMAS/PEMDAS, calculate the value of the expression.Evaluate means find the value of.To evaluate an expression, if there are any variables replace them by their values. Then, using BIDMAS/PEMDAS, calculate the value of the expression.Evaluate means find the value of.To evaluate an expression, if there are any variables replace them by their values. Then, using BIDMAS/PEMDAS, calculate the value of the expression.

Take the value of each variable in the expression and replace the variable by its value. Then do the math!

It is called "to evaluate" the expression.

Find the value of the expression.

It means to find the value of an expression or algebraic expression

you have to deduce the variable and evaluate the expression.

to simplify!!* * * * *No. It is to EVALUATE.

Absolute value can be defined as the distance from the expression to zero. Therefore, the absolute value of 13 is 13.

The expression cannot be simplified nor is it possible to find its value without information about m and n.The expression cannot be simplified nor is it possible to find its value without information about m and n.The expression cannot be simplified nor is it possible to find its value without information about m and n.The expression cannot be simplified nor is it possible to find its value without information about m and n.

When a given set of values for the variables are substituted in the expression the result is the value of the expression.

Rather, of an expression.

to solve for the variable

quantity!* * * * *Evaluating it.

The answer to the question is given in the question!If you want to find the value of an algebraic expression, then you need to substitute numerical values for each of the variables in the expression, and then calculate and simplify the result.

The exact value of sec 4pi divided by 3 is 1/3.

you have to use "order of operations"

you have to use "order of operations"

what is the value of sin 75 degree

Yes, you could if you knew the exact value for pi as well as the diameter of the circle. Multiply the diameter by the exact value for pi to get the circumference. However, it is impossible because the exact value for pi is not known. It is only known to about a trillion decimal places, but the exact value is not known.

For each expression, divide the numerator and denominator by their greatest common factor.

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