Question
If cos θ + sec θ = √2, then the value of cos³ θ+
sec³ θ is:Solution
cos θ + sec θ = √2 cos³ θ+ sec³ θ = (cos θ + sec θ)3 - 3 ×cos θ × sec θ (cos θ + sec θ) = (√2)3 - 3× cos θ×1/ cos θ (√2) =2√2 -3√2 = -√2
In the following question, select the odd pair of numbers from the given alternatives.
Odd one out
Find out the odd word/letters/number/number pair from the given alternatives.
In each of the following questions, a group of four words / letters /numbers are given. Choose which is odd?
Four numbers are given, out of which three are alike in a certain manner and one is different. Choose the different number.
Find the out one odd:Â
Four letter-clusters have been given out of which three are alike in some manner and one is different. Select the one that is different.
Find the odd one out.
If in a certain language, DIVINE is coded as EKYMSK, which word will be coded as JOYFUL?
Select the related odd word/letters/number/ figure from the given alternatives.
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