3 years ago

4) If cos25° = 0.9063, then sin65° =_0.906____. Explain the reasoning used to answer these two questions

Mathematics

1 answer:

Hunter-Best [27]3 years ago

4 0

Answer:

View the explanation

Step-by-step explanation:

The sine of an angle is equal to the cosine of that angle minus 90 degrees, and vice versa. Since 65=90-25, the cosine of 25 is equal to the sin of 65. If this is unclear please PM me or comment, and I can help more!

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