Trigonometry Practice Question and Answer
8 4 Q:
609e4e41b9384d208ce43f2a 4 Q:
6099029ec4aedb3e80669631 4 Q:
60796ed42e8e292d5f941064 4 Q:
6079628f2e8e292d5f9403ba 4 Q:
60795afc63b9781494e8874a 4 Q:
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6064205c8278fd44192a0123
Q: ΔPQR is right angled at Q. If cos P = 3/5, then what is the value of cos R?
807 0609e4e41b9384d208ce43f2a
609e4e41b9384d208ce43f2a- 1$$ {3\over4}$$false
- 2$$ {5\over3}$$false
- 3$$ {4\over5}$$true
- 4$$ {4\over3}$$false
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Answer : 3. "$$ {4\over5}$$"
Q: If Cos A + Cos2 A = 1, then Sin2 A + Sin4 A=?
806 06099029ec4aedb3e80669631
6099029ec4aedb3e80669631- 10false
- 21true
- 3$$ {1\over 2}$$false
- 4-1false
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Answer : 2. "1"
Q: One angle of a triangle is 55°. If the other two angles are in the ratio 9:16, find the angles?
797 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: Solve it $$ {sin \ θ\over 1+cos\ θ}+{1+cosθ\over sin\ θ}=?$$
716 06079628f2e8e292d5f9403ba
6079628f2e8e292d5f9403ba- 1$$ {tan \ θ} $$false
- 2$$ {cot\ θ}$$false
- 3$$ {2\over sinθ}$$true
- 4$$ {2\over cosθ}$$false
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Answer : 3. "$$ {2\over sinθ}$$"
Q: If cos θ + sin θ =m, sec θ + cosec θ =n, what is m/n?
913 060795afc63b9781494e8874a
60795afc63b9781494e8874a- 11false
- 2sin θ cos θtrue
- 3sec θ cosec θfalse
- 4cot θ tan θfalse
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Answer : 2. "sin θ cos θ"
Q: If $$ {sin\ {θ}}={1\over {\sqrt{2}}}$$ then (tanθ+cosθ)=?
710 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: If tanx = cot(50+3x), then what is the value of x ?
694 0606422e6cfdbf24a55622502
606422e6cfdbf24a55622502- 111false
- 214false
- 310true
- 412false
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Answer : 3. "10"
Q: If $$ {tan\ θ={a\over b}}$$ then $$ {a\sinθ+b\cosθ\over{a\sinθ-b\cosθ}}$$ is
731 06064205c8278fd44192a0123
6064205c8278fd44192a0123- 1$$ {a\over {a^{2}+b^{2}}}$$false
- 2$$ {b\over {a^{2}+b^{2}}}$$false
- 3$$ {a^{2}-b^{2}\over {a^{2}+b^{2}}}$$false
- 4$$ {a^{2}+b^{2}\over {a^{2}-b^{2}}}$$true
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Answer : 4. "$$ {a^{2}+b^{2}\over {a^{2}-b^{2}}}$$"
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