Question

Tell me answer fast I need to solve this​

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

= tan^2(30) - cos^2(45)

tan 30  = 1/√3      cos 45  = 1 / √2

So

tan^2(30) - cos^2(45) =  (1/√3)^2 - (1/√2)^2 =   1/3  -  1/2 = -1/6