Part 2: Verify each identity. Use trigonometric identities to verify each expression is equal
d) [cos(x) cos(y)][tan(x)+ tan(y)]= sin(x + y) (3 points)

.bjbjk.b,j.l.

step-by-step explanation:

x + 4/7

step-by-step explanation:

use cymath

step-by-step explanation:

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