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sin 2 12˚ + sin 2 14˚ + sin 2 16˚ + sin 2 18˚ + ……… + sin 2 78˚ = (sin2 12˚ + sin2 78˚) + (sin2 14˚ + sin2 86˚) + .…. + (sin2 44˚ + sin2 46˚) = (sin2 12˚ + cos2 12˚)+(sin2 14˚ + cos2 14˚) + .…. + (sin2 44˚ + co2 44˚) {As sin (90˚ - θ) = cos θ} = (1)+(1) + .…. upto 17 times { As sin2 θ + cos2 θ= 1} = 17 ` ` ` ` ` ` ` ` ` ` ` `
How many right angled triangles can be made from the given shape?
In the following question, select the figure which can be placed at the sign of question mark (?) from the given alternatives.
Choose the next number in the series.
55, 66, 88, 121, 165,?
Select the figure that will come next in the following series.
Question Figure:
Study the given letter, number, symbol series and answer the question that follows.
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Select the option that is related to the third figure in the same way as the second figure is related to the first figure.
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Select the Venn diagram that best illustrates the relationship between the following classes.
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Clothes = C
Sh...
