cos75o = cos(45 + 30)o Since, cos(A + B) = cosAcosB – sinAsinB So, cos 75o = cos45ocos30o – sin45osin30o = {(1/√2) × (√3/2) – (1/√2) × (1/2)} = (√3/2√2) – (1/2√2) = (1/2√2) × (√3 – 1) On multiplying both numerator and denominator by √2, we have; = (√2/4) × (√3 – 1)
Parts of the following sentence have been given in bold . Select the option that contains a misspelt word.
As Pragyan travelled around 100 m ...
In each group, one word is correctly spelt. Find the correct word.
1)embellish
2)frugol
3)enormos
4)gregayrious
1)asociation
2)alliance
3)impliment
4)lothe
What delicious flavour these mangoes have!
Despite the team's commendable (1) efforts to overcome (2) various obsticals (3), they were unable to meet the deadline due to unexpected circums...
India on Tuesday signed a $500 million deal with Russia to localy manufacture two stealth frigates with technology transfer.
Select the sentence in which a word is INCORRECTLY spelt.
From the options given below, select the option which states the correct combination of incorrect sentences.
I. Recently, there has been a lot of...
Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word.
