Question

Would appreciate help thank you. Simplify the following expression sin5x cos2x + sin2X cos5X= ?

Answer 1

= 2 sin2X cos5X

Answer 2

using cos A cos B - sin A sin B = cos (A+B)

we get puting A = 5x, B = 2x above is cos 7x

Answer 3

Are you sure because it doesnt ask for values of such but rather the end form

Answer 4

yes i am sure

Answer 5

which math are u in precalculas

Answer 6

or calculas

Answer 7

Yeah precalc, how did you know?

Answer 8

because we studied this

Answer 9

in 9th grade

Answer 10

that helps u to do it

Answer 11

Oh i see, so the answer would be A = 5x, B = 2x cos=7x?

Answer 12

yes

Answer 13

u r correct