Question

8) Using tables evaluate the following:
i) 4cot45º – sec²60° + sin 30°​

Answer 1

Step-by-step explanation:

you just have to put the value

cot45 - 1

sec 60 - 2

si 30 - 1/2

Answer 2

Answer:

=>4cot45°-sec^2 60°+sin30°

=>4-(2)^2+1/2

=>4-4+1/2

=>1/2