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PLS help!!! PLS help!!! PLS help!!!

PLS help!!! PLS help!!! PLS help!!!
asked 42.6k views
5 votes
PLS help!!! PLS help!!! PLS help!!!

PLS help!!! PLS help!!! PLS help!!!-example-1
asked
User Glenn
by
8.2k points

1 Answer

5 votes

Answer:

c. sin 8x + sin 2x

Explanation:

1. Convert the product into sum or differences: 2 sin 5x cos 3x

Solution:

2 sin 5x cos 3x = sin (5x + 3x) + sin (5x -3x), [Since 2 sin A cos B = sin (A + B) + sin (A - B)]

= sin 8x + sin 2x

answered
User Adam Pope
by
8.3k points
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