Start learning 50% faster. Sign in now
sin 2A = cos (3A - 60)
When sin P = cos Q, then P + Q = 90o
2A + 3A - 60o = 90o
Or, 5A = 150o
Or, 'A' = 30o
Therefore, sec (2 X 30o) = sec 60o = 2
Pipe dream
I. I feel enthusiastic today because I had a pipe dream.
II. We deserve a system where clean, sustainable energy is someth...
Select the most appropriate word for the given group of words.
A doctor who attends to bone problems
Select the most appropriate option that can substitute the underlined words in the given sentence.
The art of growing plants in water wit...
The Science which studies the crust of the earth
India has been criticised in the U.S., __________ by several other countries, for failing to take a stronger stand __________ Russia and for not directl...
If you do not work hard,you might loose (A)/ lose (B) the chance of winning the competition.
We require some stationery (A) / stationary (B) ...
The supreme court’s sole (A)/soul (B) woman judge asked whether the much-touted gender justice will continue to remain only on paper.
The...
Dilemma
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substi...
Select the most appropriate synonym of the given word.
ENTANGLE