Question
The Value of (sin38˚)/(cos52˚) + (cos12˚)/(sin78˚) -
4cos²60˚ isSolution
(sin38˚)/(cos52˚)+ (cos12˚)/(sin78˚)- 4cos²60˚ (cos(90-38)˚)/(cos52˚)+ (sin(90-12)˚)/(sin78˚)- 4cos²60˚ (cos52˚)/(cos52˚)+ (sin78˚)/(sin78˚)- 4cos²60˚ ⇒1 + 1 - 4×(1/2)² ⇒1
Give a single word that substitutes for the following expression:
A speech delivered without prior preparation
Select the option that can be used as a one-word substitute for the given group of words.
Anything that leads to death
A person's way of standing or moving.
Select the option that can be used as a one-word substitute for the given group of words.
A person having significant experience in an occupation
Rogue
In the following question , a sentence is given followed by five alternatives containing a single word. Among the five alternatives you have to find th...
Select the option that can be used as a one-word substitute for the given group of words.
A person who knows everything
In the following question there is a related pair of words given. Each pair is followed by four other pairs of words. Choose the pair from the given op...
Give a single word that substitutes for the following expression:
The study of the origin and history of words
Select the option that can be used as a one-word substitute for the given group of words.
A person who believes that war and violence are unjustifiable
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