Trigonometry Practice Question and Answer
8 4 Q:
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Q: The value of $$ {2(1-sin^{2}θ)}+{2(1-cos^{2}θ)}$$.
1437 05f76cdfee487e60dced92378
5f76cdfee487e60dced92378- 11false
- 22true
- 33false
- 44false
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Answer : 2. "2"
Q: If tan $$ -{7π\over4}=x $$ then the value of x is :
1437 05e818954d063766356924b99
5e818954d063766356924b99- 1$$-{1\over2}$$false
- 2$$-{√3\over2}$$false
- 3$${√3\over2}$$false
- 41true
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Answer : 4. "1"
Q: What is the simplified value of (1– sin A cos A)(sin A + cos A)?
1433 160fe3186f8986716bdf6948b
60fe3186f8986716bdf6948b- 1$$cos^2A – sin^2A$$false
- 20false
- 3$$sin^3A + cos^3A$$true
- 4$$sin^2A – cos^2A$$false
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Answer : 3. "$$sin^3A + cos^3A$$ "
Q: If 3 + cos2θ= 3(cot2θ + Sin2θ), 0°<θ<90°, then what is the value of (cosθ +2sinθ)?
1429 05fbf73c64f2f6c622be747fa
5fbf73c64f2f6c622be747fa- 1$$ {2\sqrt{3}+1\over {2}}$$true
- 2$$ {3\sqrt{2}}$$false
- 3$$ {3\sqrt{3}+1\over {2}}$$false
- 4$$ {\sqrt{3}+2\over 2}$$false
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Answer : 1. "$$ {2\sqrt{3}+1\over {2}}$$"
Q: Simplify $$ \sqrt{(1-sin^{2}θ) ÷(1-cos^{2}θ)}$$.
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5feeea39d6478d50161e794d- 1Cot θtrue
- 2Tan θfalse
- 3Sec θfalse
- 4Cosec θfalse
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Answer : 1. "Cot θ"
Q: If $${secθ+tanθ\over secθ-tanθ}=2{51\over79}$$, then the value of sinθ is equal to:
1426 064ccb76929beb3482a58126a
64ccb76929beb3482a58126a- 1$${35\over72}$$false
- 2$${36\over72}$$false
- 3$${91\over144}$$false
- 4$${65\over144}$$true
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Answer : 4. "$${65\over144}$$"
Q: What is the value of $${\sqrt{1-cosA\over{1+cosA}}}$$?
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609e5238e941dd6183d9a8b1- 1cosecA-sinAtrue
- 2cosecA+cotAfalse
- 3secA-cotAfalse
- 4secA+cotAfalse
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Answer : 1. "cosecA-sinA"
Q: If $$ {sin\ {θ}}={1\over {\sqrt{2}}}$$ then (tanθ+cosθ)=?
1425 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. "$$ {(1+\sqrt{2})\over{\sqrt{2}}}$$"
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