Trigonometry Practice Question and Answer
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Q: If Tan4x – Tan2x=1 then the value of Sin4x + Sin2x is__
1600 05ffc33a923210f22f33035f6
5ffc33a923210f22f33035f6- 11true
- 2$$ {1\over 2}$$false
- 33false
- 4$$ {1\over 5}$$false
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Answer : 1. "1"
Q: If $$ {cot A={n\over{n+1}}}$$ and $$ {cot B={1\over{2n+1}}}$$ then what is the value of cot (A + B)?
1598 05f30d1e2c006da5783295d08
5f30d1e2c006da5783295d08- 11false
- 20false
- 3-1true
- 42false
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Answer : 3. "-1"
Q: If sec -5π/4 = x, then the value of x is
1594 05f0e7590f4c8bf4bad0034fc
5f0e7590f4c8bf4bad0034fc- 1-1/√3false
- 2-√2true
- 3-1false
- 4√3false
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Answer : 2. "-√2"
Q: If $$ {cosAcotA \over( 1 - sinA ) }=x $$ then the value of x is :
1585 05e81890cd56d695255db5abd
5e81890cd56d695255db5abd- 11 - cosecAfalse
- 21 + cosecAtrue
- 31 + secAfalse
- 41 - secAfalse
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Answer : 2. "1 + cosecA "
Q: If a(tanθ+cotθ)=1, sinθ+cosθ=b and 0°<θ<90°, then the relation between a and b.
1576 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: In ΔABC θ is an acute angle and tanθ is equal to three times of cotθ. Find the value of $$ {sin^{2}θ+cosec^{2}θ-{1\over 2}cot^{2}θ}$$.
1564 0600e922e59b22a1f1cddbc08
600e922e59b22a1f1cddbc08- 1$$ {23\over 12}$$true
- 2$$ {23\over 9}$$false
- 3$$ {23\over 11}$$false
- 4$$ {23\over 8}$$false
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Answer : 1. "$$ {23\over 12}$$"
Q: If $$ {sin\ θ\ cosec\ θ\over tan θ}=4 $$ then Find the value of tan θ ?
1564 05f97fdabd433054b5c8aecd5
5f97fdabd433054b5c8aecd5- 14false
- 2$$ {1\over 4}$$true
- 33false
- 45false
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Answer : 2. "$$ {1\over 4}$$"
Q: If $$ {secθ+tanθ\over secθ - tanθ} $$= $$ 2{51\over 79} $$ sinθ then the value of sin θ is :
1552 05def36da6d799a05c00a41fe
5def36da6d799a05c00a41fe- 1$$ {91\over144}$$false
- 2$$ {39\over72}$$false
- 3$$ {65\over144}$$true
- 4$$ {35\over72}$$false
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Answer : 3. "$$ {65\over144}$$"
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