What is the value of Cos180o ?

Asked by Adarsh | 29th Oct, 2015, 05:39: PM

Expert Answer:

sin 180 degree equals 0 cos 180 degree equals negative 1 tan 180 degree equals fraction numerator s i n 180 degree over denominator c o s 180 degree end fraction equals 0 cos e c 180 degree equals 1 over 0 equals u n d e f i n e d s e c 180 degree equals fraction numerator 1 over denominator c o s 180 degree end fraction equals fraction numerator 1 over denominator negative 1 end fraction equals negative 1 c o t 180 degree equals fraction numerator 1 over denominator tan 180 degree end fraction equals 1 over 0 equals u n d e f i n e d

Answered by Vimala Ramamurthy | 29th Oct, 2015, 08:20: PM