Question

त्रिकोणमिति के सभी सूत्र

Answer 1

sin² theta+cos² theta=1
sec² theta-tan² theta=1
cosec² theta-cot² theta=1

sin theta=1/cosec theta
cos theta=1/sec theta
tan theta=1/cot theta
sin(90-theta)=cos theta
cos(90-theta)=sin theta
tan(90-theta)=cot theta
cosec (90-theta)=sec theta