Trigonometry Question and Answers Practice Question and Answer
8 4 Q:
6066e3c92b4b7e646bfcd2e2 4 Q:
5dccdc8eef0a14548c1d4fff Answer : 4. "1"
4 Q:
5f058db23f7f070477919df3 4 Q:
5f0ec66ef4c8bf4bad01e8b4 4 Q:
5f4df246081699374e855fcf 4 Q:
60796ed42e8e292d5f941064 4 Q:
6450b12b223d4c08a7d9b900 Answer : 3. "
4 Q:
5e81724bd063766356920d18
Q: If $$ {sin\ {θ}}={1\over {\sqrt{2}}}$$ then (tanθ+cosθ)=?
1648 16066e3c92b4b7e646bfcd2e2
6066e3c92b4b7e646bfcd2e2- 1$${1\over{\sqrt{2}}}$$false
- 2$${2\over{\sqrt{2}}}$$false
- 3$${3\over{\sqrt{2}}}$$false
- 4$$ {(1+\sqrt{2})\over{\sqrt{2}}}$$true
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Answer : 4. "$$ {(1+\sqrt{2})\over{\sqrt{2}}}$$"
Q: The value of $$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ is:
1647 05dccdc8eef0a14548c1d4fff
5dccdc8eef0a14548c1d4fff- 1$$ {1\over2}$$false
- 20false
- 32false
- 41true
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Answer : 4. "1"
Explanation :
Put A=45 degree and we can get answer.
Q: If $$ secθ+tanθ=2+\sqrt{5}$$, then the value of $$ sinθ+cosθ$$ is:
1640 05f058db23f7f070477919df3
5f058db23f7f070477919df3- 1$$ 3\over{\sqrt{5}}$$true
- 2$$ {\sqrt{5}}$$false
- 3$$ 7\over{\sqrt{5}}$$false
- 4$$ 1\over{\sqrt{5}}$$false
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Answer : 1. "$$ 3\over{\sqrt{5}}$$"
Q: What is the value of $$ {cosecθ\sqrt{1-cos^2θ}}$$.
1637 05f0ec66ef4c8bf4bad01e8b4
5f0ec66ef4c8bf4bad01e8b4- 10false
- 2– 2false
- 3– Sinθfalse
- 41true
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Answer : 4. "1"
Q: If tan A=n tan B and Sin A= m Sin B, then the value of Cos2A is
1636 05f4df246081699374e855fcf
5f4df246081699374e855fcf- 1$$ {m^{2}+1\over {n^{2}+1}}$$false
- 2$$ {m^{2}+1\over {n^{2}-1}}$$false
- 3$$ {m^{2}-1\over {n^{2}-1}}$$true
- 4$$ {m^{2}-1\over {n^{2}+1}}$$false
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Answer : 3. "$$ {m^{2}-1\over {n^{2}-1}}$$"
Q: One angle of a triangle is 55°. If the other two angles are in the ratio 9:16, find the angles?
1635 160796ed42e8e292d5f941064
60796ed42e8e292d5f941064- 165° और 115°false
- 290° और 160°false
- 355°और 165°false
- 445° और 80°true
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Answer : 4. "45° और 80°"
Q: If $${(2cos^3 A-cosA)\over (sin A- 2 sin^3 A)=1}$$ then what is the value of A?
1634 06450b12b223d4c08a7d9b900
6450b12b223d4c08a7d9b900- 1false
900
- 2false
300
- 3true
450
- 4false
600
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Answer : 3. "450
"
Q: The value of $$ cos {20^o} cos {40^o}cos {60^o}cos {80^o}$$ is:
1629 05e81724bd063766356920d18
5e81724bd063766356920d18- 1$$ {1\over 15}$$false
- 2$$ {1\over 16}$$true
- 3$$ {1\over 12}$$false
- 4None of thesefalse
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Answer : 2. "$$ {1\over 16}$$"
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