Question
If A and B are complementary angles, then the
value of- sin A cos B + cos A sin B – tan A tan B + sec 2 A – cot 2 B is–Solution
sin A cos B + cos A sin B – tan A tan B + sec2 A – cot2 B
= sinA sin A + cosA cosA – tanA. cot A + sec2A – tan2B
= (sin2A + cos2A) – 1 + (1)
= 1 – 1 + 1
= 1
A cube is made by folding the given sheet. In the cube so formed, which letter will be on the face opposite to the face having 'F'?
Which two signs should be interchanged to make the given equation correct?
17 × 3 ÷ 6 − 2 + 7 = 55
Select the option that represents the correct order of the given words as they would appear in an English dictionary.
1. Fontina
2. Fondue...
Find the missing term from the given alternatives:
B: 16 :: D : ?
A 200 m long train at the speed of 60 km/h crosses another train as fast as twice the speed of first and running in opposite direction in 10 sec. Find t...
Statements:
Amit is a good fielder.
All fielders have big hands.
Conclusions:
I. All people with big hands are fielder...
Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance...
In the question below are given some statements followed by some conclusions. You have to take given statements to be true even if they seem to be at v...
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
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