Question

What are the ratio and decimals for sin a ,cos a,tan a

Answer 1

1. Sin A

`\begin{gathered} \sin A=(15)/(21) \\ \sin A=0.714 \end{gathered}`

2. Cos A

`\begin{gathered} \cos A=(16)/(21) \\ \cos A=0.761 \end{gathered}`

3. Tan A

`\begin{gathered} \tan A=(15)/(16) \\ \tan A=0.937 \end{gathered}`

4. Sin B

`\begin{gathered} \sin B=(16)/(21) \\ \sin B=0.761 \end{gathered}`

5. Cos B

`\begin{gathered} \cos B=(15)/(21) \\ \cos B=0.714 \end{gathered}`

6. Tan B

`\begin{gathered} \tan B=(16)/(15) \\ \tan B=1.066 \end{gathered}`