Question
Simplify (cos13°+sin 13°)
/(cos13°-sin13°)Solution
(cos13°+sin 13°) /(cos13°-sin13°) [(cos13°+sin 13°)/cos13°] /[(cos13°-sin13°)/cos13°] =(1+tan13°)/ (1-tan13°)        Put tan 45° in place of 1. =(tan45°+tan13°)/(1-tan13°×tan45°) Using the tangent addition formula:  tan(a+b) =(tanA+tanB)/ (1-tanA.tanB) =tan (45°+13°) =tan (58°)
Statement:
Only a few Gold are Silver
No Gold are Diamond
Conclusion:
I. Some Silver are not DiamondÂ
II. Som...
Three of the following words are alike in a certain manner and one is different. Select the odd word out.
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
Pick the odd one out:
Three out of four groups are similar in a way. Find the odd one out. (Note: The words must be considered as meaningful English words and must not be re...
From the given alternatives, select the number, which does not belong to the same group:
The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are f...
Find the ODD one out from the given options.
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter cluster that is different.
Three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the one that does not belong to that group?
