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sin(36° + A) × cos(54° – A) + cos(36° + A) × sin(54°–A)
We know that, sin(X + Y) = sinX × cos Y + cosX × sinY
Similarly, sin(36° + A) × cos(54° – A) + cos(36° + A) × sin(54°–A) = sin{(36 o + A) + (54 o – A)}
= sin(36 o + A + 54 o – A) = sin90 o = 1
Select the option that is related to third letter cluster in the same way as second letter cluster is related to first letter cluster.
DEL: IJQ :: OIL: ?
If G = 14, GET = 64, then ‘GATE’ will be equal to?
Select the option in which the numbers are not related in the same way as are the number of the following set.
(12, 15, 90)
27 : 36 : : 42 : ?
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
12 * 24 * 4 * 2 * 60
Select the option that is related to third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
Select the number-pair in which the two numbers share a different relationship from that shared by the two numbers in the rest of the number-pairs.
Select the combination of letters that when placed sequentially in the blanks of the given letter series will complete the series.
