hernandezangelique20 hernandezangelique20

14-02-2021
Mathematics

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What value of makes this equation true? sin(30) = cos()

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jimrgrant1 jimrgrant1

14-02-2021

Answer:

cos60°

Step-by-step explanation:

Using the cofunction identity

cos(90 - x) = sinx , then

sin30° = cos(90 - 30)° = cos60°

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14-02-2021

sin(30)= -0.952...
cos(60) = -0.952...
sin(30) = cos(60)

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