Question

Find the value of sin2 30+cos2 45 + cos2 30​

Answer 1

Answer:

Sin^2 30° + Cos^2 45° + Cos^2 30°

= Putting the values,

= (1/2)^2 + (1/root 2)^2 + (root 3/2)^2

= (1/4) + (1/2) + (3/4)

= 1+2+3/4 (Taking L.C.M as 4)

= 6/4

= 3/2

Answer 2

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