Trigonometry Important Questions for Competitive Exams
यदि $$ sin θ ={20 \over 29}$$, है तो sec θ sin θ का मान क्या है?
(A) $$ {20 \over 21}$$
(B) $$ {29 \over 20}$$
(C) $$ {21 \over 20}$$
(D) $$ {21 \over 29}$$
Correct Answer : A
यदि x cos2300.sin600=$${tan^2{45}^0.sec60^0}\over cosec\ 60^0$$ है तो x का मान होगा ?
(A) $$ 1\over \sqrt { 3} $$
(B) $$ 2{2\over 3} $$
(C) $$ 1\over \sqrt { 2} $$
(D) $$ {1\over 2} $$
Correct Answer : B
$${cosec^2} 18° -{1\over cot^272°}$$. का मान है|
(A) $${1 \over \sqrt { 3}}$$
(B) $$ \sqrt2\over {3 } $$
(C) $${1\over2} $$
(D) 1
Correct Answer : D
(A) cosec A
(B) cos A
(C) secA
(D) sinA
Correct Answer : C
यदि $$ sin(θ+30^0)= {3\over \sqrt { 12} } $$ है तो cos2θ का मान ज्ञात करें ?
(A) $$ {1\over 4} $$
(B) $$ {3\over 4} $$
(C) $${\sqrt { 3} \ }\over 2 $$
(D) $$ {1\over 2} $$
Correct Answer : B
(A) $$\left(1{75\over119}\right)\ $$
(B) $$\left(2{34\over35}\right)\ $$
(C) $$\left(3{2\over3}\right)\ $$
(D) $$\left(3{1\over7}\right)\ $$
Correct Answer : D
यदि 4sin2 θ – 1 = 0 और कोण θ<900 से कम है । तो cos2 θ + tan2 θ का मान क्या होगा ?
(माना 00 < θ < 900 )
(A) $$ 13\over 12$$
(B) $$ 12\over 11$$
(C) $$ 11\over 9$$
(D) $$ 17\over 15$$
Correct Answer : A
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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