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TRIGNOMETRIC RATIO AND IDENTITIES
Quiz-19

As per analysis for previous years, it has been observed that students preparing for JEE MAINS find Mathematics out of all the sections to be complex to handle and the majority of them are not able to comprehend the reason behind it. This problem arises especially because these aspirants appearing for the examination are more inclined to have a keen interest in Mathematics due to their ENGINEERING background.

Furthermore, sections such as Mathematics are dominantly based on theories, laws, numerical in comparison to a section of Engineering which is more of fact-based, Physics, and includes substantial explanations. By using the table given below, you easily and directly access to the topics and respective links of MCQs. Moreover, to make learning smooth and efficient, all the questions come with their supportive solutions to make utilization of time even more productive. Students will be covered for all their studies as the topics are available from basics to even the most advanced.

Q1.
•  1/16
•  1/8
•  1/12
•  1/4
Solution
Q2. The value of 1+cos56°+cos58°-cos66° is equal to
•  2cos28°cos29°cos33°
•  4cos28°cos29°sin33°
•  4cos28°cos29°cos33°
•  2cos28°cos29°sin33°
Solution
Q3.
•  xyz
•  x2yz
•  x2y2z2
•  None of these
Solution
Q4. The solution of the inequality log1/2sinx > log1/2cosx in (0,2Ï€) is

•  None of these
Solution
Q5. If sin2xcos2xcos4x=Î» has a solution, then Î» lies in the interval
•  [-1/2,1/2]
•  [-1/4,1/4]
•  [-1/3,1/3]
•  None of these
Solution
Q6.
•  y ∉ [1/3,3]
•  y ∈ [1/3,3]
•  y ∈ [-3,-1/3]
•  y ∉ [-3,-1/3]
Solution
Q7.

•  1/3 ≤ P ≤ 1/2
•  P ≥ 1/2
•  2 ≤ P ≤ 3
•  -√13/6 ≤ P ≤ √13/6
Solution 7
Q8. sech-1(sinÎ¸) is equal to

•  log tan(Î¸/2)
•  log sin(Î¸/2)
•  log cos(Î¸/2)
•  log cot(Î¸/2)
Solution
Q9.
•  √6
•  √5
•  6
•  5
Solution
Q10. The value of cot36°cot72° is
•  1/5
•  1/√5
•  1
•  1/3
Solution

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