Question

Tan^2 30° + 4Sin^2 45° +1/3Cos^2 30

Answer 1

1/3+4*1/2+1/3*3/2
=1/3+2+1/2
=(2+12+3)/6
=17/6

Answer 2

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Hey there!

Refer to the above attachment

Values used:


tan30° = ( 1/√3)

sin45° = (1/√2)

cos30° = (√3/2)


(√2)^2 = 2.

(√3)^2 = 3.


Therefore answer is 31/12.



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