Trigonometry Question and Answers Practice Question and Answer
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Q: Find the value of $$ {\sqrt{(cos^{2}20°+cos^{2}70°)}}$$
1737 05f881866f28f4b47be27e642
5f881866f28f4b47be27e642- 10false
- 2$$ {2\over{\sqrt{3}}}$$false
- 31true
- 4$$ {\sqrt{3}\over2}$$false
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Answer : 3. "1"
Q: If 4tanθ=3,the value of $$ \left({4sinθ-2cosθ\over4sinθ+2cosθ}\right) $$ is:-
1737 05efeaf90d4461c5b47dceb30
5efeaf90d4461c5b47dceb30- 1$$ {2\over5}$$false
- 2$$ {1\over5}$$true
- 3$$ {4\over5}$$false
- 4None of thesefalse
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Answer : 2. "$$ {1\over5}$$"
Q: If 3 tan θ - 4 = 0 and 180° < θ < 270° then cosec θ = _______
1727 05ee1cd838c4c964f73dd6a82
5ee1cd838c4c964f73dd6a82- 1$$- {5\over4}$$true
- 2$$ {4\over5}$$false
- 3$$ -{4\over5}$$false
- 4$$-{5\over4}$$false
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Answer : 1. "$$- {5\over4}$$"
Q: If 2sinθ+ 15 cos2θ=7, 0°˂θ˂90°, then what is the value of $$ {3-tanθ\over 2+tanθ}$$?
1711 06051c596a01bc44789a9b4e7
6051c596a01bc44789a9b4e7- 1$$ {1\over 4}$$false
- 2$$ {3\over 4}$$false
- 3$$ {1\over 2}$$true
- 4$$ {5\over 8}$$false
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Answer : 3. "$$ {1\over 2}$$"
Q: If tanθ=1/5 then the value of Cosec2θ=?
1709 05edf1d8e71a5bd73c30de4ba
5edf1d8e71a5bd73c30de4ba- 15false
- 2$$ \sqrt{5}$$false
- 3$$ \sqrt{6}$$false
- 46true
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Answer : 4. "6"
Q: If cosec θ=1.25 then $$ {4 \ tanθ-5 \ cosθ + 1\over secθ+ 4cotθ-1}=?$$
1694 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 Tan4x – Tan2x=1 then the value of Sin4x + Sin2x is__
1673 05ffc33a923210f22f33035f6
5ffc33a923210f22f33035f6- 11true
- 2$$ {1\over 2}$$false
- 33false
- 4$$ {1\over 5}$$false
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Answer : 1. "1"
Q: If sec -5π/4 = x, then the value of x is
1666 05f0e7590f4c8bf4bad0034fc
5f0e7590f4c8bf4bad0034fc- 1-1/√3false
- 2-√2true
- 3-1false
- 4√3false
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Answer : 2. "-√2"
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