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ioda
3 years ago
10

50 POINTSSSS! Use trigonometric identities to verify that this expression is equal.

Mathematics
1 answer:
Llana [10]3 years ago
4 0

Answer:

R

H

S

=  cos

2

x

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

8 0
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6 0
3 years ago
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