sin(315)=sin(−45+360)=sin(−45)=sin(−45)=−sin(45)
Trignometric table gives – > sin315=−sin45=−22
- cos315=cos(−45)=cos(45)=22
- tan315=cossin=−1
- cot315=1/tan=−1
- sec=1/cos=2
- csc=1/sin=−2
sin(315)=sin(−45+360)=sin(−45)=sin(−45)=−sin(45)
Trignometric table gives – > sin315=−sin45=−22
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