Question

prove that:3 tan²30°-sin²60°-½cot²30°+½sec²45° =7/4​

Answer 1

Answer:

Step-by-step explanation:

3 ×1/3 -3/4 -1/2 ×3 +1/2 ×2  ,  1-3/4 -3/2 +1   = -1/4   [ Tan 30=1/√3 , Sin 60 =√3/2 ,Cot 30=√3 , Sec 45 =√2 ]  mark me as a brainliest .