Find The Exact Value Sin(-3/4*pi) | Mathway

Enter a problem... Trigonometry Examples Popular Problems Trigonometry Find the Exact Value sin(-3/4*pi) Step 1Combine and .Step 2Move to the left of .Step 3Add full rotations of until the angle is greater than or equal to and less than .Step 4Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant.Step 5The exact value of is .Step 6The result can be shown in multiple forms.Exact Form:Decimal Form:

Please ensure that your password is at least 8 characters and contains each of the following:

• a number
• a letter
• a special character: @$#!%*?&