Trigonometry Question and Answers Practice Question and Answer
8 4 Q:
5dd38448a46476101fbcb535 4 Q:
5e81724bd063766356920d18 4 Q:
5f058db23f7f070477919df3 4 Q:
5f2e6d142b354b2550073a8a 4 Q:
609e4e41b9384d208ce43f2a 4 Q:
60796ed42e8e292d5f941064 4 Q:
6321ad913169cb1b1567790b 4 Q:
64abd872299b7896000b39a6 Answer : 3. "
Q: If 4sin2 θ – 1 = 0 and angle θ is less than 900. The value of cos2 θ + tan2 θ is:
(Take 00 < θ < 900)
1167 05dd38448a46476101fbcb535
5dd38448a46476101fbcb535(Take 00 < θ < 900)
- 1$$ 13\over 12$$true
- 2$$ 12\over 11$$false
- 3$$ 11\over 9$$false
- 4$$ 17\over 15$$false
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Answer : 1. "$$ 13\over 12$$"
Q: The value of $$ cos {20^o} cos {40^o}cos {60^o}cos {80^o}$$ is:
1161 05e81724bd063766356920d18
5e81724bd063766356920d18- 1$$ {1\over 15}$$false
- 2$$ {1\over 16}$$true
- 3$$ {1\over 12}$$false
- 4None of thesefalse
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Answer : 2. "$$ {1\over 16}$$"
Q: If $$ secθ+tanθ=2+\sqrt{5}$$, then the value of $$ sinθ+cosθ$$ is:
1160 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: If $$ {tan3A=cot{(2A+40)}}$$ then find the value of $$ {tan^2{3A}}+{cot^{4}3A}$$.
1160 05f2e6d142b354b2550073a8a
5f2e6d142b354b2550073a8a- 1$$ {27\over 3}$$false
- 2$$ {28\over 3}$$true
- 3$$ {2\over 3}$$false
- 40false
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Answer : 2. "$$ {28\over 3}$$"
Q: ΔPQR is right angled at Q. If cos P = 3/5, then what is the value of cos R?
1150 0609e4e41b9384d208ce43f2a
609e4e41b9384d208ce43f2a- 1$$ {3\over4}$$false
- 2$$ {5\over3}$$false
- 3$$ {4\over5}$$true
- 4$$ {4\over3}$$false
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Answer : 3. "$$ {4\over5}$$"
Q: One angle of a triangle is 55°. If the other two angles are in the ratio 9:16, find the angles?
1145 160796ed42e8e292d5f941064
60796ed42e8e292d5f941064- 165° और 115°false
- 290° और 160°false
- 355°और 165°false
- 445° और 80°true
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Answer : 4. "45° और 80°"
Q: If is a positive acute angle and 5 cosθ + 12 sinθ = 13, then find the value of cosθ?
1144 06321ad913169cb1b1567790b
6321ad913169cb1b1567790b- 1$${12\over13}$$false
- 2$${5\over13}$$true
- 3$${5\over13}$$false
- 4$${1\over5}$$false
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Answer : 2. " $${5\over13}$$"
Q: Select the INCORRECT formula from the following options.
1140 064abd872299b7896000b39a6
64abd872299b7896000b39a6- 1false
cosec2θ - cot2θ=1
- 2false
sin2θ + cos2θ=1
- 3true
sec2θ + cos2θ=1
- 4false
sec2θ – tan2θ=1
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Answer : 3. "sec2θ + cos2θ=1
"
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