Trigonometry Important Questions for Competitive Exams
$$ Sin^{4}θ+Cos^{4}θ $$ का अधिकतम मान होगा?
(A) 2
(B) 3
(C) $$ {1\over2}$$
(D) 1
Correct Answer : D
sec4 A (1 – sin4A) – 2tan2A का मान है?
(A) $$ {1\over 2} $$
(B) 0
(C) 2
(D) 1
Correct Answer : D
$$ (x^{b+c})^{b-c}. (x^{c+a})^{c-a}.(x^{a+b})^{a-b}$$ का मान है जब (x ≠ 0)।
(A) 1
(B) 2
(C) -1
(D) 0
Correct Answer : A
यदि 0 ≤ θ ≤ 900 and 4cos2θ - $$4{\sqrt { 3} \ }cosθ$$ + 3 = 0, है, तो का मान θ होगा?
(A) $$30^0$$
(B) $$90^0$$
(C) $$45^0$$
(D) $$60^0$$
Correct Answer : A
यदि $$ sec θ ={13 \over 12}$$, तथा θ न्यूनकोण है, तो $$ \sqrt { cotθ+tanθ} \ $$ है....
(A) $$ {4 \over 13}$$
(B) $$ {12 \over 2\sqrt{13}}$$
(C) $$ {13 \over 2\sqrt{15}}$$
(D) $$ {2 \over 13}$$
Correct Answer : B
$$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ का मान होगा:
(A) $$ {1\over2}$$
(B) 0
(C) 2
(D) 1
Correct Answer : D
Explanation :
Put A=45 degree and we can get answer.
यदि tan2θ +cot2θ = 2 तो 2secθ cosecθ का मान क्या है?
(A) 0
(B) 1
(C) 2
(D) 4
Correct Answer : D
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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