Trigonometry Practice Question and Answer
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Q: What is the value of cosecA(1 − cosA)(cosecA + cotA)?
875 0644f99a0f3618908bf54770d
644f99a0f3618908bf54770d- 12false
- 21true
- 30false
- 43false
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Answer : 2. "1"
Q: △ABC is right-angle triangle at B and tan A = $$3\over 4$$, then sin A + sin B + sin C will be equal to:
874 064805acba33e0f47b771a1c5
64805acba33e0f47b771a1c5- 1$$2{4\over 5}$$false
- 2$$2{2\over 5}$$true
- 3$$3{1\over 5}$$false
- 4$$1{1\over 5}$$false
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Answer : 2. "$$2{2\over 5}$$"
Q: if $$ sinA= {4\over 5}$$, then what is the value of $$sin^2A$$
865 0648991e1f4063d472f4a4e45
648991e1f4063d472f4a4e45- 1$$16\over 25$$true
- 2$$26\over 25$$false
- 3$$48\over 25$$false
- 4$$36\over 25$$false
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Answer : 1. "$$16\over 25$$"
Q: If $${secθ+tanθ\over secθ-tanθ}={5\over 3}$$ then sinθ is equal to ;
854 06332e72131300b7ce4906883
6332e72131300b7ce4906883- 1$${1\over 4}$$true
- 2$${1\over 3}$$false
- 3$${2\over 3}$$false
- 4$${3\over 4}$$false
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Answer : 1. "$${1\over 4}$$"
Q: cosA(sec A – cosA)(cotA+tanA)=?
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64ba2bd7c3da05b2213dbea7- 1tan Atrue
- 2cot Afalse
- 3sec Afalse
- 4sin Afalse
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Answer : 1. "tan A"
Q: The value of $${cosec^230^0sin^245^0+sec^260^0}\over {tan60^0cosec^245^0-sec^260^0tan45^0}$$ is
844 064ba2c152d3130f5754291e9
64ba2c152d3130f5754291e9- 1$$-2\sqrt { 3}-2$$false
- 2$$-3(2+\sqrt { 3})$$true
- 3$$3(2+\sqrt { 3})$$false
- 4$$2\sqrt { 3}-2$$false
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Answer : 2. " $$-3(2+\sqrt { 3})$$"
Q: If $$cosθ + cos^2θ= 1,$$find the value of $$\sqrt {sin^4θ+cos^2θ} \ $$
842 0648994d6b50f5316a45d7931
648994d6b50f5316a45d7931- 1$$\sqrt {2cosθ} \ $$true
- 2$$\sqrt {2sinθ} \ $$false
- 32 cosθfalse
- 42 sinθfalse
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Answer : 1. "$$\sqrt {2cosθ} \ $$"
Q: If $$ cosecθ + cotθ =p $$, then the value of $${p^2-1}\over{p^2+1}$$ is:
841 0648043bb51bf194753032aa4
648043bb51bf194753032aa4- 1cos θtrue
- 2cot θfalse
- 3cosec θfalse
- 4sin θfalse
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Answer : 1. "cos θ"
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