Question
If sec2 θ = 4, then find the value of
sin2 θ + cosec (90 - θ) where 0o < θ < 90o.Solution
Given: sec2 θ = 4
So, sec θ = 2
Or, sec θ = sec 60o
So, θ = 60o
So, required value = sin2 θ + cosec (90 - θ) = sin2 60o + cosec (90o - 60o)
= (√3/2) 2 + 2 = (3/4) + 2 = (11/4)
In the sentence marked as (6) in the passage, find out an error, if there is any. If there is no error, mark option 5, ‘No error’ as the answer.
Choose the most appropriate option for blank no. 5
Fill the blank 2.
The Prime Minister ___________ that the country could only _______ economically if planners had a clear _______ of rural development in the context of g...
Fill in the blank with the most appropriate word.
Find the appropriate word for Blank 1.
Fill in blank 6 with the appropriate word from the options.
Find the appropriate word.
1) purchase            2) gain                3) acquisition           4) obtainment     5) seizing
...Find the appropriate word.
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