Calculus Examples

Simplify cot((3pi)/4)-cot(pi/4)
Step 1
Simplify each term.
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Step 1.1
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cotangent is negative in the second quadrant.
Step 1.2
The exact value of is .
Step 1.3
Multiply by .
Step 1.4
The exact value of is .
Step 1.5
Multiply by .
Step 2
Subtract from .