# Trigonometry - Reduction formulas

 $\beta$ $sin \beta$ $cos \beta$ $tan \beta$ $cot \beta$ $-\alpha$ $-\,sin \, \alpha$ $+ \,cos \, \alpha$ $-\,tan \, \alpha$ $-\,cot \, \alpha$ $90^0-\alpha$ $+ \,cos \, \alpha$ $+\,sin \, \alpha$ $+\,cot \, \alpha$ $+\,tan \, \alpha$ $90^0+\alpha$ $+ \,cos \, \alpha$ $-\,sin \, \alpha$ $-\,cot \, \alpha$ $-\,tan \, \alpha$ $180^0-\alpha$ $+\,sin \, \alpha$ $- \,cos \, \alpha$ $+\,tan \, \alpha$ $-\,cot \, \alpha$ $180^0+\alpha$ $-\,sin \, \alpha$ $- \,cos \, \alpha$ $+\,tan \, \alpha$ $+\,cot \, \alpha$ $270^0-\alpha$ $- \,cos \, \alpha$ $-\,sin \, \alpha$ $+\,cot \, \alpha$ $+\,tan \, \alpha$ $270^0+\alpha$ $- \,cos \, \alpha$ $+\,sin \, \alpha$ $-\,cot \, \alpha$ $-\,tan \, \alpha$ $360^0-\alpha$ $-\,sin \, \alpha$ $+ \,cos \, \alpha$ $+\,tan \, \alpha$ $-\,cot \, \alpha$ $360^0+\alpha$ $+\,sin \, \alpha$ $+ \,cos \, \alpha$ $+\,tan \, \alpha$ $+\,cot \, \alpha$