Question #57977

Sarah used her calculator to find sin125° She wrote down sin125° = -.57 How could Sarah recognize that her answer is incorrect?

Expert's answer

Answer on Question #57977 – Math – Trigonometry

Question

Sarah used her calculator to find sin125° She wrote down sin125° = -.57 How could Sarah recognize that her answer is incorrect?

Solution

Sarah could recognize that her answer is incorrect, because sine of angles between 0° and 180° is positive, but Sarah received a negative value.

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