Trigonometry Question and Answers Practice Question and Answer
8 4 Q:
5f0e7590f4c8bf4bad0034fc 4 Q:
5f06dd933f7f07047795e991 Answer : 2. "$$ tanθ+cotθ$$"
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5f058db23f7f070477919df3 4 Q:
5efeb11c7228dd6b06e74e29 4 Q:
5efeafe79bfe193cd14b75c5 4 Q:
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Q: If sec -5π/4 = x, then the value of x is
1001 05f0e7590f4c8bf4bad0034fc
5f0e7590f4c8bf4bad0034fc- 1-1/√3false
- 2-√2true
- 3-1false
- 4√3false
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Answer : 2. "-√2"
Q: $$ \sqrt {sec^2{θ}+cosec^2{θ}}=?$$
1126 05f06dd933f7f07047795e991
5f06dd933f7f07047795e991- 1$$ {tan^2{θ}}+cot^2{θ}$$false
- 2$$ tanθ+cotθ$$true
- 3$$ sinθ+cosθ$$false
- 4None of thesefalse
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Answer : 2. "$$ tanθ+cotθ$$"
Explanation :
$$ \sqrt {sec^2{θ}+cosec^2{θ}}$$
We know that
$$ {1+tan^2{θ}}={sec^2θ}$$
$$ {1+cot^2{θ}}={cosec^2{θ}}$$
$$ \sqrt {1+tan^2{θ}+1+cot^2{θ}}$$
Q: If $$ secθ+tanθ=2+\sqrt{5}$$, then the value of $$ sinθ+cosθ$$ is:
859 05f058db23f7f070477919df3
5f058db23f7f070477919df3- 1$$ 3\over{\sqrt{5}}$$true
- 2$$ {\sqrt{5}}$$false
- 3$$ 7\over{\sqrt{5}}$$false
- 4$$ 1\over{\sqrt{5}}$$false
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Answer : 1. "$$ 3\over{\sqrt{5}}$$"
Q: $$ {tan^2θ}$$ is equal to:-
866 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. "$$ {1\over cot^2{θ}}$$"
Q: $$ {tan7°tan23°tan60°tan67°tan83°}$$ is equal to-
902 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 4tanθ=3,the value of $$ \left({4sinθ-2cosθ\over4sinθ+2cosθ}\right) $$ is:-
1102 05efeaf90d4461c5b47dceb30
5efeaf90d4461c5b47dceb30- 1$$ {2\over5}$$false
- 2$$ {1\over5}$$true
- 3$$ {4\over5}$$false
- 4None of thesefalse
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Answer : 2. "$$ {1\over5}$$"
Q: Find the value tanθ-cosθ in the given figure.
1306 05ef04e7e8022cc4acbba8b20
5ef04e7e8022cc4acbba8b20- 1$${4\over5}$$false
- 2$$-{4\over9}$$false
- 3$$-{1\over20}$$true
- 4$${3\over20}$$false
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Answer : 3. "$$-{1\over20}$$"
Q: Find the value of $$\left({sin 35°\over cos55°} \right)^2+\left({cos55°\over sin 35°} \right)^2 \ -2 sin^{3}30°$$
1166 05ef04da781a47f2e7ae446be
5ef04da781a47f2e7ae446be- 1$${7\over5}$$false
- 2$${7\over4}$$true
- 30false
- 4$${5\over7}$$false
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Answer : 2. "$${7\over4}$$"
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