Trigonometry Practice Question and Answer
8 4 Q:
5ecf342aa7365b2f4ce1cfb0 4 Q:
5f88181ef28f4b47be27e3e1 4 Q:
64abd872299b7896000b39a6 Answer : 3. "
4 Q:
5f4df246081699374e855fcf 4 Q:
5f058db23f7f070477919df3 4 Q:
6321ad913169cb1b1567790b 4 Q:
5f40dfa24c9a9415f7cdfc3b 4 Q:
5e8b043c7b82aa7479fc4c69
Q: (secA – 1)/(secA + 1) is equal to?
1526 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: Find the value of $$\left({1\over {sin 60°}} \right)^{2} + (cos 30°)^{2} \over(tan 45°)^{2}$$.
1507 05f88181ef28f4b47be27e3e1
5f88181ef28f4b47be27e3e1- 1$$ {25\over 9}$$false
- 2$$ {25\over 12}$$true
- 3$$ {25\over 4}$$false
- 4$$ {5\over 9}$$false
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Answer : 2. "$$ {25\over 12}$$"
Q: Select the INCORRECT formula from the following options.
1501 064abd872299b7896000b39a6
64abd872299b7896000b39a6- 1false
cosec2θ - cot2θ=1
- 2false
sin2θ + cos2θ=1
- 3true
sec2θ + cos2θ=1
- 4false
sec2θ – tan2θ=1
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Answer : 3. "sec2θ + cos2θ=1
"
Q: If tan A=n tan B and Sin A= m Sin B, then the value of Cos2A is
1497 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: If $$ secθ+tanθ=2+\sqrt{5}$$, then the value of $$ sinθ+cosθ$$ is:
1496 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: If is a positive acute angle and 5 cosθ + 12 sinθ = 13, then find the value of cosθ?
1495 06321ad913169cb1b1567790b
6321ad913169cb1b1567790b- 1$${12\over13}$$false
- 2$${5\over13}$$true
- 3$${5\over13}$$false
- 4$${1\over5}$$false
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Answer : 2. " $${5\over13}$$"
Q: If $$ {1+sinθ\over {1-sinθ}}={p^{2}\over{q^{2}}}$$, then sec θ is equal to:
1487 05f40dfa24c9a9415f7cdfc3b
5f40dfa24c9a9415f7cdfc3b- 1$$ {2p^{2}{q^{2}}\over {p^{2}+{q^{2}}}}$$false
- 2$${1\over 2}\left({q\over p}+{p\over q} \right)$$true
- 3$$ {1\over {p^{2}}}+{1\over {q^{2}}}$$false
- 4$$ {p^{2}q^{2}}\over{p^{2}+q^{2}}$$false
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Answer : 2. "$${1\over 2}\left({q\over p}+{p\over q} \right)$$"
Q: Find out value of Cosec $$\left(-{5π\over3} \right)$$?
1479 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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