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AlexFokin [52]
3 years ago
13

Type the correct answer in the box. If necessary, use / for the fraction bar and simplify the fraction. cos(75°)cos(15°) =

Mathematics
2 answers:
diamong [38]3 years ago
5 0

Answer:

1/4

Step-by-step explanation:

using the product-to sum formulas, this is

1/2 (cos(75+15) + cos(75-15))

Vikki [24]3 years ago
3 0

Answer:

1/4

Step-by-step explanation:

PLATO USER

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Step-by-step explanation:

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