Trigonometry Practice Question and Answer
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Q: Which of the following values suits for A to make the equation $$ {{ATan62°Sec 28°Cot 38°}\over {Cosec62°Tan11°}}=1$$ ?
1159 05ff8354ac24e1471a7fa62bb
5ff8354ac24e1471a7fa62bb- 1$$ {{Tan38°Tan79°}\over {Tan 28°}}$$false
- 2$$ {{Tan28°Tan38°}\over {Tan 79°}}$$true
- 3$$ {{Tan38°}\over {Tan 79°Tan28°}}$$false
- 4$$ {{Tan28° Tan 79°}\over { Tan38°}}$$false
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Answer : 2. "$$ {{Tan28°Tan38°}\over {Tan 79°}}$$"
Q: Solve it $$ {sin \ θ\over 1+cos\ θ}+{1+cosθ\over sin\ θ}=?$$
1159 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: The value of $$ {(cos {\ 9°}+sin{\ 81°}})({sec {\ {9°}+cosec{\ 81°}}})\over{sin{\ 56°}sec{\ 34° }}+ {cos{\ 25°}cosec{\ 65°}}$$ is:
1150 06007f19e1187ab386914c385
6007f19e1187ab386914c385- 1$$ {1\over 4}$$false
- 24false
- 32true
- 4$$ {1\over 2}$$false
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Answer : 3. "2"
Q: Simplify $$ ({Sinθ\over{1+cosθ}}+{1+cosθ\over sinθ})({1\over (tanθ+cotθ)})$$
1147 0609e52026397877f31965323
609e52026397877f31965323- 1$$ {cos{\ θ}}$$false
- 2$$ {2sin{\ θ}}$$false
- 3$$ {sin{\ θ}}$$false
- 4$$ {2cos{\ θ}}$$true
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Answer : 4. "$$ {2cos{\ θ}}$$"
Q: If $${cos^2θ\over cot^2θ-cos^2θ}=3,$$ where $${0^0<θ<90^0}$$ then the value of θ is:
1139 064cceaad8f85ca71558f2e3e
64cceaad8f85ca71558f2e3e- 1$${{45^0}}$$false
- 2$${{50^0}}$$false
- 3$${{60^0}}$$true
- 4$${{50^0}}$$false
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Answer : 3. "$${{60^0}}$$"
Q: If secθ + tanθ = 3, then the value of secθ is:
1138 064ccdc1db6a5e472e27fc6ca
64ccdc1db6a5e472e27fc6ca- 1$${4\over3}$$false
- 2$${3\over4}$$false
- 3$${3\over5}$$false
- 4$${5\over3}$$true
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Answer : 4. "$${5\over3}$$"
Q: The value of $$ {tan\ 40°+tan\ 20° +\sqrt{3}\ tan20° tan40°}$$?
1120 0602268792dc71d4148a16d2f
602268792dc71d4148a16d2f- 1$$ {\sqrt{12}}$$false
- 2$$ {1\over{\sqrt{3}}}$$false
- 31false
- 4$$ {\sqrt{3}}$$true
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Answer : 4. "$$ {\sqrt{3}}$$"
Q: What is the value of $${cos^2A\over {1+sinA}}$$?
1110 05f3f941f9b782961da39057a
5f3f941f9b782961da39057a- 11+sinAfalse
- 21-sinAtrue
- 31+secAfalse
- 41-secAfalse
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Answer : 2. "1-sinA"
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