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The sine of a 30 degree angle is equal to the cosine of a _____ degree angle. 30 45 15 60

User Pescolino
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2 Answers

7 votes

the answer is 60 degrees

User Nick Schmidt
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8.2k points
5 votes

Answer:

60°

Explanation:

Using the cofunction identity

sinx° = cos(90 - x)°, then

sin30° = cos(90 - 30)° = cos60°

User Kvark
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