Trigonometry Practice Question and Answer
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Q: The value of $$ {2(1-sin^{2}θ)}+{2(1-cos^{2}θ)}$$.
895 05f76cdfee487e60dced92378
5f76cdfee487e60dced92378- 11false
- 22true
- 33false
- 44false
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Answer : 2. "2"
Q: यदि tan A=n tan B और Sin A= m Sin B, है तो Cos2A का मान होगा।
884 05f4df246081699374e855fcf
5f4df246081699374e855fcf- 1$$ {m^{2}+1\over {n^{2}+1}}$$false
- 2$$ {m^{2}+1\over {n^{2}-1}}$$false
- 3$$ {m^{2}-1\over {n^{2}-1}}$$true
- 4$$ {m^{2}-1\over {n^{2}+1}}$$false
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Answer : 3. "$$ {m^{2}-1\over {n^{2}-1}}$$"
Q: sec4 A (1 – sin4A) – 2tan2A का मान है?
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5dd38322874d2d52fa317fac- 1$$ {1\over 2} $$false
- 20false
- 32false
- 41true
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Answer : 4. "1"
Q: $$ {tan^2θ}$$ के बराबर है—
876 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: यदि $$ {1+sinθ\over {1-sinθ}}={p^{2}\over{q^{2}}}$$, है तो sec θ का मान होगा।
874 05f40dfa24c9a9415f7cdfc3b
5f40dfa24c9a9415f7cdfc3b- 1$$ {2p^{2}{q^{2}}\over {p^{2}+{q^{2}}}}$$false
- 2$${1\over 2}\left({q\over p}+{p\over q} \right)$$true
- 3$$ {1\over {p^{2}}}+{1\over {q^{2}}}$$false
- 4$$ {p^{2}q^{2}}\over{p^{2}+q^{2}}$$false
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Answer : 2. "$${1\over 2}\left({q\over p}+{p\over q} \right)$$"
Q: यदि 3 + cos2θ= 3(cot2θ + Sin2θ), 0°<θ<90°, है तो (cosθ +2sinθ) का मान क्या होगा?
868 05fbf73c64f2f6c622be747fa
5fbf73c64f2f6c622be747fa- 1$$ {2\sqrt{3}+1\over {2}}$$true
- 2$$ {3\sqrt{2}}$$false
- 3$$ {3\sqrt{3}+1\over {2}}$$false
- 4$$ {\sqrt{3}+2\over 2}$$false
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Answer : 1. "$$ {2\sqrt{3}+1\over {2}}$$"
Q: यदि $$ secθ-tanθ={1\over\sqrt{3}}$$, है तो secθ.tanθ का मान होगा?
867 05dccdc38e9d33d6509c0ab1a
5dccdc38e9d33d6509c0ab1a- 1$$ {4\over\sqrt{3}}$$false
- 2$$ {2\over\sqrt{3}}$$false
- 3$$ {2\over3}$$true
- 4$$ {1\over\sqrt{3}}$$false
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Answer : 3. "$$ {2\over3}$$ "
Q: यदि $$ secθ+tanθ=2+\sqrt{5}$$, है, तो $$ sinθ+cosθ$$ का मान है?
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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. "$$ 3\over{\sqrt{5}}$$"
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