Trigonometry Important Questions for Competitive Exams
Every student wants to improve your accuracy and speed to solve the competitive exam and it is possible only with the practice day by day or important questions. To understand a few concepts and formulas, here I am giving you trigonometry important questions for competitive exams.
So start your practice with the below questions and Practice Tests by selected exams.
Important Trigonometry Questions
Q : If cos θ = $${1\over \sqrt{10}}$$, then tan θ is equal to.
(A) $$ {1\over \sqrt{3} } $$
(B) $$ {1\over 3 } $$
(C) $$ {\sqrt{3} } $$
(D) 3
Correct Answer : D
If 2sin2 θ – 3 sin θ + 1 = 0, θ being positive angle, then the values of θ are :
(A) $$ 30^0, 90^0$$
(B) $$ 60^0, 55^0$$
(C) $$ 60^0, 45^0$$
(D) $$ 45^0, 55^0$$
Correct Answer : A
If tan α = 2, then the value of $$ {cosec^2 α - sec^2 α}\over{cosec^2 α + sec^2 α} $$ is :
(A) $$ -{15\over 9} $$
(B) $$ {3\over 5} $$
(C) $$ -{3\over 5} $$
(D) $$ {17\over 5} $$
Correct Answer : C
What is the value of $$ {2tan53°\over cot37°} -{cot80°\over tan10°}$$ is:
(A) 3
(B) 2
(C) 1
(D) 0
Correct Answer : C
A tower standing on a horizontal plane subtends a certain angle at a point 160 m apart from the foot of the tower. On advancing 100 m towards it, the tower is found to subtend and angle twice as before. The height of the tower is
(A) 80 m
(B) 100 m
(C) 160 m
(D) 200 m
Correct Answer : A
If sinθ – cosθ = 7/13 and 00 < θ < 900 , then the value of sinθ + cosθ is :
(A) 17/13
(B) 13/17
(C) 1/13
(D) 1/17
Correct Answer : A
What is the value of
(A) 0
(B) 1
(C) -1
(D) 2
Correct Answer : B
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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