Try another version of this question If ` \sin x = 5/8`, and x is in the second quadrant, determine the exact values of each of the following: `cos (2x) =`
`tan (2x) =`
Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Box 3: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
`sin (2x) =`
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed