Instead "tan x°" in your question must be:"...what is the value of sin x° ?" In that case: sin x° = tan x° · cos x° = 3 / y · y / z = 3 / z Answer: A ) sin x° = 3 / z
It costs a family 216 dollars to refinish a wood floor. They want to refinish the floor in a larger room. The ratio of length of corresponding sides is 3:4. How much would it cost to finish the floor.