Mathematics, 14.10.2019 00:20, chinnellepug8198

If 180° < α < 270°, cos⁡ α = −817, 270° < β < 360°, and sin⁡ β = −45, what is cos⁡ (α + β)?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, mildredelizam

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Answers: 3

continue

Mathematics, 21.06.2019 18:30, millie54

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Answers: 1

continue

Mathematics, 21.06.2019 20:30, cgarnett5408

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Answers: 2

continue

Mathematics, 21.06.2019 21:00, trinitymarielouis

How do you write y-10=2 (x-8) in standard form

Answers: 1

continue

Do you know the correct answer?

If 180° < α < 270°, cos⁡ α = −817, 270° < β < 360°, and sin⁡ β = −45, what is cos⁡ (...