Q). If tan 50 ° = a , then what is the value of tan 70 ° - tan 20 ° ? A. 0 B. 1 C. a D. 2a Share with your friends Share 0 Hari Shankar answered this Dear student see the image Hope this information helpful for you Regards 0 View Full Answer Shreya Sarkar answered this Ans = ( D ) 2a . 2
