Trigonometry Question and Answers Practice Question and Answer
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Q: Find the minimum value of $$ {25 cosec^{2}θ +25sin^{2}θ}$$
1196 05f40dcdcb8958f14fa2b34f6
5f40dcdcb8958f14fa2b34f6- 125false
- 250true
- 355false
- 420false
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Answer : 2. "50"
Q: (secA – 1)/(secA + 1) is equal to?
1193 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 out value of Cosec $$\left(-{5π\over3} \right)$$?
1189 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: The value of $$ {(sec^{2}θ+tanθ\cotθ-tan^{2}θ)}$$
1187 05feeea721f464d740159faae
5feeea721f464d740159faae- 11false
- 22true
- 30false
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Answer : 2. "2"
Q: If a(tanθ+cotθ)=1, sinθ+cosθ=b and 0°<θ<90°, then the relation between a and b.
1187 05f2e3de179b9e641a764661b
5f2e3de179b9e641a764661b- 1$$ {2a={b^2}}+1$$false
- 2$$ {b^2=2({a-1}})$$false
- 3$$ {2a={b^2-1}}$$true
- 4$$ {b^2=2({a+1}})$$false
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Answer : 3. "$$ {2a={b^2-1}}$$"
Q: $$ {tan7°tan23°tan60°tan67°tan83°}$$ is equal to-
1183 05efeafe79bfe193cd14b75c5
5efeafe79bfe193cd14b75c5- 10false
- 2$$ \sqrt{3}$$true
- 3$$ 1\over \sqrt{3}$$false
- 4None of thesefalse
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Answer : 2. "$$ \sqrt{3}$$"
Q: If $$ {secθ+tanθ\over secθ - tanθ} $$= $$ 2{51\over 79} $$ sinθ then the value of sin θ is :
1183 05def36da6d799a05c00a41fe
5def36da6d799a05c00a41fe- 1$$ {91\over144}$$false
- 2$$ {39\over72}$$false
- 3$$ {65\over144}$$true
- 4$$ {35\over72}$$false
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Answer : 3. "$$ {65\over144}$$"
Q: $$ {tan^2θ}$$ is equal to:-
1177 05efeb11c7228dd6b06e74e29
5efeb11c7228dd6b06e74e29- 1$$ {1\over cot^2{θ}}$$true
- 2$$ {1\over sin^2{θ}}$$false
- 3$$ {1\over cosec^2{θ}}$$false
- 4$$ {1\over sec^2{θ}}$$false
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Answer : 1. "$$ {1\over cot^2{θ}}$$"
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