Trigonometry Practice Question and Answer
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Q: The value of $$ {2(1-sin^{2}θ)}+{2(1-cos^{2}θ)}$$.
1585 05f76cdfee487e60dced92378
5f76cdfee487e60dced92378- 11false
- 22true
- 33false
- 44false
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Answer : 2. "2"
Q: The value of $$ {(sec^{2}θ+tanθ\cotθ-tan^{2}θ)}$$
1585 05feeea721f464d740159faae
5feeea721f464d740159faae- 11false
- 22true
- 30false
- 44false
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Answer : 2. "2"
Q: Find out value of Cosec $$\left(-{5π\over3} \right)$$?
1577 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. "$${2\over \sqrt{3}}$$"
Q: (sinθ+cosecθ)2+(cos θ+ sec θ)2=?
1575 064b506d7e154aff53372e425
64b506d7e154aff53372e425- 15 + tan2 θ + cot2 θfalse
- 27 + tan2 θ - cot2 θfalse
- 37 + tan2 θ + cot2 θtrue
- 45 + tan2 θ - cot2 θfalse
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Answer : 3. "7 + tan2 θ + cot2 θ"
Q: If 0 ≤ θ ≤ 900 and 4cos2θ - $$4{\sqrt { 3} \ }cosθ$$ + 3 = 0, then the value of θ is :
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5dd382c5a46476101fbca823- 1$$30^0$$true
- 2$$90^0$$false
- 3$$45^0$$false
- 4$$60^0$$false
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Answer : 1. "$$30^0$$"
Q: If $$ {tan\ θ={a\over b}}$$ then $$ {a\sinθ+b\cosθ\over{a\sinθ-b\cosθ}}$$ is
1573 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. "$$ {a^{2}+b^{2}\over {a^{2}-b^{2}}}$$"
Q: $$ {3sin60°-4sin^{3}60°=?}$$
1572 05f76cdb6e487e60dced9226a
5f76cdb6e487e60dced9226a- 1$$ {2\sqrt{3}}$$false
- 2$$ {4\sqrt{3}}$$false
- 30true
- 450false
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Answer : 3. "0"
Q: If tan $$ -{7π\over4}=x $$ then the value of x is :
1558 05e818954d063766356924b99
5e818954d063766356924b99- 1$$-{1\over2}$$false
- 2$$-{√3\over2}$$false
- 3$${√3\over2}$$false
- 41true
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Answer : 4. "1"
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