Review the incomplete steps in the generation of the tangent sine identities which action can be taken to the expression in step 3 to give an expression for step 4 a. divide both the numerator and denominator by sin(x)sin(y)
b. divide the numerator and the denominator by sin(x)sin(y)
c. divide both the numerator and the denominator by cos(x)sin(y)
d. divide both the numerator and denominator by cos(x)cos(y)

What are the soultion(s) to the quadratic equation 40- x^2=0

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.