Chapter 6: Trigonometry - Online Test
Q1. The value of sin2θ
+ 
is equal to
is equal to
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. tanθ cosec2θ - tan
θ is equal to
Answer : Option D
Explaination / Solution:
Q3. If (sin a + coseca)2
+(cos a + sec a)2 = k + tan2a
+ cot2a , then the value of k is equal to
Answer : Option B
Explaination / Solution:
Q4. If sin θ + cos θ = a
and sec θ + cosecθ = b , then the value of b(a 2
-1) is equal to
Answer : Option D
Explaination / Solution:
Q5. If 5x = sec θ and 5/x = tan θ, then x2
– (1/ x2) is equal to
Answer : Option B
Explaination / Solution:
Q6. If sin θ = cos θ , then 2
tan2θ + sin2θ −1 is equal to
Answer : Option B
Explaination / Solution:
Q7. If x = a tan
θ and y = b sec θ then
Answer : Option A
Explaination / Solution:
Q8. (1 + tan θ + sec θ)(1 + cot θ − cosecθ) is equal to
Answer : Option C
Explaination / Solution:
Q9. a cot θ + b cosecθ = p and
b cot θ +a cosec θ = q then p 2
-q2 is equal to
Answer : Option B
Explaination / Solution:
Q10. If the ratio of the height of a tower and the length of its shadow is √3 : 1 then the angle of elevation of the sun has measure
Answer : Option D
Explaination / Solution:
