Trigonometry Practice Question and Answer
8 4 Q:
5f5afe6d4d383e58c6b6f5f3 4 Q:
5d70e14bd8eebc768d116cb7 Answer : 2. "1"
4 Q:
5ef04da781a47f2e7ae446be 4 Q: What is the value of the following
5d70e27c9004b376a58c1e62 4 4 Q:
5f06dd933f7f07047795e991 Answer : 2. "$$ tanθ+cotθ$$"
4 Q:
5f589a1f2025ff52f0526ecf 4 Q:
5dd383adbfcbc45cddedf30c
Q: If $$ {2\ sinθ-cos θ\over {cosθ+sinθ}}=1$$, then value of cotθ is:
1945 05f5afe6d4d383e58c6b6f5f3
5f5afe6d4d383e58c6b6f5f3- 1$$ {1\over2}$$true
- 2$$ {1\over3}$$false
- 33false
- 42false
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Answer : 1. "$$ {1\over2}$$"
Q: What is the value of
1921 05d70e14bd8eebc768d116cb7
5d70e14bd8eebc768d116cb7- 10false
- 21true
- 3-1false
- 42false
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Answer : 2. "1"
Explanation :
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Q: Find the value of $$\left({sin 35°\over cos55°} \right)^2+\left({cos55°\over sin 35°} \right)^2 \ -2 sin^{3}30°$$
1896 05ef04da781a47f2e7ae446be
5ef04da781a47f2e7ae446be- 1$${7\over5}$$false
- 2$${7\over4}$$true
- 30false
- 4$${5\over7}$$false
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Answer : 2. "$${7\over4}$$"
Q: What is the value of the following 
1891 05d70e27c9004b376a58c1e62
5d70e27c9004b376a58c1e62- 1cosec Afalse
- 2cos Afalse
- 3secAtrue
- 4sinAfalse
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Answer : 3. "secA"
Q: If sinθ-cosθ= \({7\over13}\) and 0º <θ<90°, then the value of Sinθ+Cosθ is 1887 05d1ef7e2c068c021a4048f20
5d1ef7e2c068c021a4048f20- 1\({17\over13}\)true
- 2\({13\over17}\)false
- 3\({1\over13}\)false
- 4\({1\over17}\)false
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Answer : 1. "\({17\over13}\)"
Q: $$ \sqrt {sec^2{θ}+cosec^2{θ}}=?$$
1876 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 sin3θ=cos(20° - θ) then find out the value of θ.
1874 05f589a1f2025ff52f0526ecf
5f589a1f2025ff52f0526ecf- 140°false
- 235°true
- 360°false
- 430°false
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Answer : 2. "35°"
Q: If 2sin2 θ – 3 sin θ + 1 = 0, θ being positive angle, then the values of θ are :
1856 05dd383adbfcbc45cddedf30c
5dd383adbfcbc45cddedf30c- 1$$ 30^0, 90^0$$true
- 2$$ 60^0, 55^0$$false
- 3$$ 60^0, 45^0$$false
- 4$$ 45^0, 55^0$$false
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Answer : 1. "$$ 30^0, 90^0$$"
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