Question
tan 20˚ x tan 23˚ x tan 67˚ x tan 70˚ =
?Solution
We know that If tanA x tanB = 1 then A & B are complementary angles it means A + B = 90˚ Here 20˚ + 70˚ = 90˚ & 23˚ + 67˚ = 90˚ So tan 20˚ x tan 70˚ = 1 & tan 23˚ x tan 67˚ = 1 Hence tan 20˚ x tan 23˚ x tan 67˚ x tan 70˚ = 1
132, 130, 136, 126, 142, 110
Find the wrong number in the given number series.
3600, 1440, 576, 230.4, 92.24, 36.864
Find the wrong number in the given number series.
127, 296, 585, 908, 1475, 2316
Find the wrong number in the given number series.
65, 91, 127, 163, 217, 271
Find the wrong number in the given number series.
- 342, - 218, - 96, 27, 150, 273
- Find the wrong number in the given number series.
5, 11, 21, 41, 65, 95 Find the wrong number in the given number series.
88, 110, 148, 198, 275, 396
42, 85, 172, 343, 687, 1375
The following numbers form a series. Find the odd one out.
72, 105, 126, 138, 132, 117
Find the wrong number in the given number series.
3, 8, 15, 24, 35, 50
Relevant for Exams:
