Use the product-to-sum identities to rewrite the following expression sin 14° cos50° Need help with hw, willing to give $$

asked Aug 25, 2019 160k views

5 votes

Use the product-to-sum identities to rewrite the following expression

sin 14° cos50°
Need help with hw, willing to give $$

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2 votes

General identity:

sin(x) cos(y) = (1)/(2) (sin(y+x) - sin(y-x))

In this example, x = 14, y = 50

Answer: D

(1)/(2) (sin(64) - sin(36))

Itismoej answered Aug 30, 2019

8.8k points

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