Question

find the value of

Cos²60°+sin²30°+tan²60°+tan²30°
​

Answer 1

Answer:

but siso it's still going down plz tell siso what to do

here is your questions answer also

Answer 2

Answer :

4 cos² 60° + 4 sin² 45° -sin² 30° = 4(1/2)2 + 4 (1/√2)2 - (√3/2)2 = 1 + 2 - 3/4 = 3 - 3/4 = 9/4