Question

7. Angle $a$ is located in the second quadrant such that $\sin a = \frac{12}{13}$. Angle $b$ is located in the third quadrant such that $\cos b = -\frac{4}{5}$. Determine an exact value for $\sin (a + b)$.

Name: 7. Angle a is located in the second quadrant such that sin a = (12)/(13). Angle b is located in the third quadrant such that cos b = -(4)/(5). Determine an exact value for sin (a + b).
Uploaded: 2023-12-06T22:53:22-08:00
Duration: 2 min 46 s
Channel: Kathleen Carty
Description: 7. Angle a is located in the second quadrant such that sin a = (12)/(13). Angle b is located in the third quadrant such that cos b = -(4)/(5). Determine an exact value for sin (a + b).

          7. Angle $a$ is located in the second quadrant such that $\sin a = \frac{12}{13}$. Angle $b$ is located in the third quadrant such that $\cos b = -\frac{4}{5}$. Determine an exact value for $\sin (a + b)$.

7. Angle a is located in the second quadrant such that sin a = (12)/(13). Angle b is located in the third quadrant such that cos b = -(4)/(5). Determine an exact value for sin (a + b).

Added by Christopher M.

Precalculus with Limits

Ron Larson 2nd Edition

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Angle a is located in the second quadrant such that sina=(12)/(13). Angle b is located in the third quadrant such that cosb=-(4)/(5). Determine an exact value for sin(a+b). 7.Angle a is located in the second quadrant such 13 quadrant such that cos b = Determine an 5 exact value for sina+b.