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Yuki888 [10]
2 years ago
5

Help me please!!!

Mathematics
1 answer:
34kurt2 years ago
3 0

Step-by-step explanation:

sin(2x) + cos(3x)

Use double angle formula sin(2x) = 2 sin x cos x.

Use triple angle formula cos(3x) = 4 cos³x − 3 cos x.

Substitute:

2 sin x cos x + 4 cos³x − 3 cos x

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