Trigonometric Functions - Online Test

Q1. The general value of θ satisfying the equation  is
Answer : Option B
Explaination / Solution:



Q2. Number of solutions of the equation tan x + sec x = 2 cos x. lying in the interval [0,2π] is
Answer : Option B
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Q3. In a triangle ABC, if a, b, c are in A. P., then tan  are in
Answer : Option A
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Q4.

In a ΔABC,  and the side a = 2, then area of the triangle is


Answer : Option B
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Q5.

In a ΔABC , a = 4, b = 3 and A =  ; then c is a root of the equation


Answer : Option C
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Q6. Which of the following statements is incorrect ?
Answer : Option B
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which is not possible since  is a periodic function whose value oscillates between -1 and 1


Q7. The values of  (0 <  < ) satisfying are
Answer : Option A
Explaination / Solution:


Hence the values of θ betwwen 0 and 360 are           [when n=1,n=2]


Q8.

If  sinα=sinβ and cosα=cosβ , then


Answer : Option A
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Q9. If sin x - cos x =, then x = ( n is any integer)
Answer : Option D
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Q10.
The value of the expression tan  tan  tan  … tan  is equal to

Answer : Option A
Explaination / Solution:
No Explaination.