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
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Two dimensions of the same dice are given. What letter will be on the face opposite to the face having the letter D?
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, then what will come in place of the question mark...
Find the missing term in the following number series.
2,6,12,20,_______,42
If each of the letters of the word 'STADIUM' are re-arranged in the English alphabetical order, then the position of which letter will remain unchanged?
Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left...
Select the correct option from the following options which could create a full square (3 out of 5 images below):
Based on the analogy given, find the missing number from the given options.
11 : 13 : 17 : ---------------
