Introduction to Trigonometry

Subject matter experts of JagranJosh have developed a chapter wise practice sets as per the relevancy of the chapter in the board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Introduction to Trigonometry” of Mathematics.

  • Q1. Maximum value of  1 cosec θ ,0°<θ<90° is:

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  • Q2. If cosθ= 1 2 ,sinϕ= 1 2  then value of θ+ϕ

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  • Q3.If sin (A + B) = 1 = cos (A - B) then

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  • Q4.The value of 5 cos 0° + sin 90° is:

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  • Q5.How does the value of cos x varies when x increases from 0° to 90°:

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  • Q6.If sin A = sin A’, then the value of B’C’ from the figure is:

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  • Q7. Find the value of si n 2 54 0  co s 2 36 0 .

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