Trigonometry Question and Answers Practice Question and Answer
8 4 Q:
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5f2e3de179b9e641a764661b 4 Q:
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Q: If $$ {cot A={n\over{n+1}}}$$ and $$ {cot B={1\over{2n+1}}}$$ then what is the value of cot (A + B)?
986 05f30d1e2c006da5783295d08
5f30d1e2c006da5783295d08- 11false
- 20false
- 3-1true
- 42false
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Answer : 3. "-1"
Q: If $$ {tan3A=cot{(2A+40)}}$$ then find the value of $$ {tan^2{3A}}+{cot^{4}3A}$$.
820 05f2e6d142b354b2550073a8a
5f2e6d142b354b2550073a8a- 1$$ {27\over 3}$$false
- 2$$ {28\over 3}$$true
- 3$$ {2\over 3}$$false
- 40false
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Answer : 2. "$$ {28\over 3}$$"
Q: Which of the following simplification value of $$ {(secA-cosA)^{2}}+{(cosecA-sinA)^{2}}-{(cotA-tanA)^{2}}$$ ?
788 05f2e3f9eb6a1cb7a831ba681
5f2e3f9eb6a1cb7a831ba681- 14false
- 22false
- 31true
- 43false
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Answer : 3. "1"
Q: If a(tanθ+cotθ)=1, sinθ+cosθ=b and 0°<θ<90°, then the relation between a and b.
899 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: What is the simplification value of $${cotA+tanB}\over{cotB+tanA}$$?
777 05f2e3d53be9f31290fbc5f92
5f2e3d53be9f31290fbc5f92- 1tanAcotBfalse
- 2tanBcotAtrue
- 3tanAtanBfalse
- 4cotAcotBfalse
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Answer : 2. "tanBcotA"
Q: If tan4θ + tan2θ = 1, then the value of cos4θ + cos2θ is
1598 05f155952cf79540a7533e649
5f155952cf79540a7533e649- 12false
- 21true
- 3– 1false
- 4– 2false
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Answer : 2. "1"
Q: What is the value of sin2 60° + cos230°+ cot2 45° + sec2 60° – cosec2 30° + cos2 0°.
1275 05f155723cf79540a7533c1ca
5f155723cf79540a7533c1ca- 1$$ {7\over2}$$true
- 2$$ {7\over4}$$false
- 3$$ {7\over3}$$false
- 4$$ {7\over8}$$false
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Answer : 1. "$$ {7\over2}$$"
Q: What is the value of $$ {cosecθ\sqrt{1-cos^2θ}}$$.
898 05f0ec66ef4c8bf4bad01e8b4
5f0ec66ef4c8bf4bad01e8b4- 10false
- 2– 2false
- 3– Sinθfalse
- 41true
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Answer : 4. "1"
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