Use a half-angle identity to find the exact value of tan 157.5 degrees

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Which of the following is equal to the square root of the cube root of 5 ? (1 point) 5 to the power of 1 over 3 5 to the power of 1 over 6 5 to the power of 2 over 3 5 to the power of 3 over 2