Trigonometry Practice Question and Answer
8 4 Q:
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648994d6b50f5316a45d7931 4 Q:
648991e1f4063d472f4a4e45 4 Q:
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Q: if 3sin2θ – cosθ-1=0, 00< θ<900, then what is the value of cot θ + cosec θ?
331 0648af256f4063d472f4f7b10
648af256f4063d472f4f7b10- 1$${3\sqrt { 2} }\over 2$$false
- 2$${2\sqrt { 3} }$$false
- 3$${\sqrt { 5} }$$true
- 4$${2\sqrt { 5} }$$false
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Answer : 3. "$${\sqrt { 5} }$$"
Q: if $${secA={5\over 4}}$$, then the value of $${{tanA}\over 1+tan^2A}-{sinA\over secA}$$ is
507 064899292a33e0f47b78c0570
64899292a33e0f47b78c0570- 11false
- 20true
- 33false
- 42false
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Answer : 2. "0"
Q: If $$cosθ + cos^2θ= 1,$$find the value of $$\sqrt {sin^4θ+cos^2θ} \ $$
365 0648994d6b50f5316a45d7931
648994d6b50f5316a45d7931- 1$$\sqrt {2cosθ} \ $$true
- 2$$\sqrt {2sinθ} \ $$false
- 32 cosθfalse
- 42 sinθfalse
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Answer : 1. "$$\sqrt {2cosθ} \ $$"
Q: if $$ sinA= {4\over 5}$$, then what is the value of $$sin^2A$$
363 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 2sinθ + 2sin2θ = 2, then the value of 2 cos4θ + 2cos2θ is:
514 064818892bf323e479a9907b8
64818892bf323e479a9907b8- 11false
- 22true
- 30false
- 44false
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Answer : 2. "2"
Q: Find the value of sec θ − tan θ, if sec θ + tan θ = $$ \sqrt { 5} $$
357 06481897523e51f477708e691
6481897523e51f477708e691- 1$$5{1\over 5}$$false
- 25false
- 3$$5{1\over 5}$$true
- 4$$\sqrt { 2} \ $$false
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Answer : 3. "$$5{1\over 5}$$"
Q: $${1+sinθ}\over cosθ $$ is equal to which of the following (where $$θ ≠ {π\over2} $$
463 064805f22f4063d472f2f86a3
64805f22f4063d472f2f86a3- 1$${1+cosθ}\over sinθ $$false
- 2$${tan θ+1}\over tan θ-1 $$false
- 3$${tan θ-1}\over tan θ+1 $$false
- 4$$cosθ \over {1-sinθ}\ $$true
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Answer : 4. "$$cosθ \over {1-sinθ}\ $$"
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:
402 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. "$$2{2\over 5}$$"
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