Trigonometry Question and Answers Practice Question and Answer
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Q: If Tan4x – Tan2x=1 then the value of Sin4x + Sin2x is__
1328 05ffc33a923210f22f33035f6
5ffc33a923210f22f33035f6- 11true
- 2$$ {1\over 2}$$false
- 33false
- 4$$ {1\over 5}$$false
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Answer : 1. "1"
Q: If cosec θ=1.25 then $$ {4 \ tanθ-5 \ cosθ + 1\over secθ+ 4cotθ-1}=?$$
1324 060531738528a962d2e428f1e
60531738528a962d2e428f1e- 1$$ {9\over 10}$$false
- 22false
- 3$$ {10\over 11}$$true
- 4$$ {1\over 2}$$false
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Answer : 3. "$$ {10\over 11}$$"
Q: If a(tanθ+cotθ)=1, sinθ+cosθ=b and 0°<θ<90°, then the relation between a and b.
1324 05f2e3de179b9e641a764661b
5f2e3de179b9e641a764661b- 1$$ {2a={b^2}}+1$$false
- 2$$ {b^2=2({a-1}})$$false
- 3$$ {2a={b^2-1}}$$true
- 4$$ {b^2=2({a+1}})$$false
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Answer : 3. "$$ {2a={b^2-1}}$$"
Q: Find the minimum value of $$ {25 cosec^{2}θ +25sin^{2}θ}$$
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5f40dcdcb8958f14fa2b34f6- 125false
- 250true
- 355false
- 420false
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Answer : 2. "50"
Q: $$ {tan7°tan23°tan60°tan67°tan83°}$$ is equal to-
1308 05efeafe79bfe193cd14b75c5
5efeafe79bfe193cd14b75c5- 10false
- 2$$ \sqrt{3}$$true
- 3$$ 1\over \sqrt{3}$$false
- 4None of thesefalse
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Answer : 2. "$$ \sqrt{3}$$"
Q: (secA – 1)/(secA + 1) is equal to?
1304 05ecf342aa7365b2f4ce1cfb0
5ecf342aa7365b2f4ce1cfb0- 1(1 – sinA)/(1 + sinA)false
- 2(1 – cosA)/(1 + cosA)true
- 3(1 + cosA)/(1 – cosA)false
- 4(1 + sinA)/(1 – sinA)false
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Answer : 2. "(1 – cosA)/(1 + cosA)"
Q: If $$ {secθ+tanθ\over secθ - tanθ} $$= $$ 2{51\over 79} $$ sinθ then the value of sin θ is :
1304 05def36da6d799a05c00a41fe
5def36da6d799a05c00a41fe- 1$$ {91\over144}$$false
- 2$$ {39\over72}$$false
- 3$$ {65\over144}$$true
- 4$$ {35\over72}$$false
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Answer : 3. "$$ {65\over144}$$"
Q: Find out value of Cosec $$\left(-{5π\over3} \right)$$?
1304 05e8b043c7b82aa7479fc4c69
5e8b043c7b82aa7479fc4c69- 1$${2\over \sqrt{3}}$$true
- 2$${ \sqrt{3} \over 2}$$false
- 3$${-2\over \sqrt{3}}$$false
- 4$${-1\over \sqrt{3}}$$false
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Answer : 1. "$${2\over \sqrt{3}}$$"
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