Mathematics, 07.04.2021 01:20 willcoop6470

Simplify the expression: cos (7x) cos (4x) + sin (7x) sin (4x). Its either

cos(11x)

cos(3x)

sin(11x)

sin(3x)

The ANSWER IS COS(3X)

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:00, anonymous115296

How many solutions does the nonlinear system of equations graphed bellow have?

Answers: 1

continue

Mathematics, 21.06.2019 20:00, alondrahernande3

Which sums are equal to 1hold 6/8? choose all answers that are correcta.1/8+6/8b.12/8+2/8c.8/8+1/8 +1/8+1/8+1/8+1/8+1/8d.8/8+6/8

Answers: 1

continue

Mathematics, 22.06.2019 01:30, huwoman

Care repairs are less than or equal to $500

Answers: 2

continue

Mathematics, 22.06.2019 04:20, alcantar28eduin

Tanner has purchased a car with a loan. his bank now deducts the amount of the monthly payment from his account on the second of every month. which financial service has tanner’s bank offered him? a. money transfer b. automated payment c. online banking d. atm withdrawal

Answers: 2

continue

You know the right answer?

Simplify the expression: cos (7x) cos (4x) + sin (7x) sin (4x). Its either

cos(11x)