Romero Reeves
01/30/2024 · High School
\( \sin (\alpha)=\frac{12}{13}, \alpha \) lies in quadrant I, and \( \sin (\beta)=\frac{4}{5}, \beta \) lies in quadrant II. a. \( \cos (\alpha+\beta)=\square \) (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any nu b. \( \sin (\alpha+\beta)=\square \) (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any nu c. \( \tan (\alpha+\beta)=\square \) (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any nu
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a. \( \cos(\alpha + \beta) = -\frac{63}{65} \)
b. \( \sin(\alpha + \beta) = -\frac{16}{65} \)
c. \( \tan(\alpha + \beta) = \frac{16}{63} \)
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