Cosecant is the reciprocal function of which of the following functions?

Sine
cotangent
tangent
cosine

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)