Trigonometry Practice Question and Answer
8 Q: $$\left({1\over {sin 60┬░}} \right)^{2} + (cos 30┬░)^{2} \over(tan 45┬░)^{2}$$┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдпреЗред
1006 05f88181ef28f4b47be27e3e1
5f88181ef28f4b47be27e3e1- 1$$ {25\over 9}$$false
- 2$$ {25\over 12}$$true
- 3$$ {25\over 4}$$false
- 4$$ {5\over 9}$$false
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Answer : 2. "$$ {25\over 12}$$"
Q: $$ {3sin30┬░- 4sin^{3}30┬░}$$┬ардХрд╛ рдорд╛рди рд╣реИред
1429 05f76ce47e487e60dced938fe
5f76ce47e487e60dced938fe- 1Sin30┬░false
- 2Cos60┬░false
- 3sin90┬░true
- 4Cos90┬░false
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Answer : 3. "sin90┬░"
Q: The value┬аof┬а$$ {2(1-sin^{2}╬╕)}+{2(1-cos^{2}╬╕)}$$.┬а
895 05f76cdfee487e60dced92378
5f76cdfee487e60dced92378- 11false
- 22true
- 33false
- 44false
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Answer : 2. "2"
Q: $$ {3sin60┬░-4sin^{3}60┬░=?}$$.
805 05f76cdb6e487e60dced9226a
5f76cdb6e487e60dced9226a- 1$$ {2\sqrt{3}}$$false
- 2$$ {4\sqrt{3}}$$false
- 30true
- 450false
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Answer : 3. "0"
Q: $$ {3tan^{2}30┬░}-{4\over 3}{sin^{2}60┬░}- {1\over2}{cosec^{2}45┬░}+{4\over3}{sin^{2}90┬░=?}$$.
848 05f76cd32e487e60dced9212c
5f76cd32e487e60dced9212c- 1$$ {2\over3}$$false
- 2$$ {1\over3}$$true
- 3$$ {4\over3}$$false
- 4$$ {5\over4}$$false
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Answer : 2. "$$ {1\over3}$$"
Q: $$ cot\ {╧А\over 20}\ cot{3╧А\over 20} \cot{5╧А\over20}\ cot{7╧А\over 20}\ cot {9╧А\over20}$$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред
1298 05f6450e8e318e06cd33b79b2
5f6450e8e318e06cd33b79b2- 1-1false
- 2$$ {1\over 2}$$false
- 30false
- 41true
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Answer : 4. "1"
Q: рдпрджрд┐┬а$$ {2\ sin╬╕-cos ╬╕\over {cos╬╕+sin╬╕}}=1$$,┬ард╣реИ рддреЛ┬аcot╬╕┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред
1145 05f5afe6d4d383e58c6b6f5f3
5f5afe6d4d383e58c6b6f5f3- 1$$ {1\over2}$$true
- 2$$ {1\over3}$$false
- 33false
- 42false
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Answer : 1. "$$ {1\over2}$$"
Q: рдпрджрд┐┬аcosec 39┬░= x┬ард╣реИ рддреЛ рдХрд╛┬а$$ {1\over {cosec^{2}{51┬░}}} +sin^{2} 39^{┬░}+tan^{2}{51^{┬░}}-{1\over {sin^{2}{51^{┬░}}}{Sec^{2}{39^{┬░}}}}$$┬ардорд╛рди рд╣реЛрдЧрд╛ред
1019 05f5afb66b772fe2f8b286d6e
5f5afb66b772fe2f8b286d6e- 1$$ {\sqrt{x^{2}-1}}$$false
- 2$$ {\sqrt{1-x^{2}}}$$false
- 3$$ {x^{2}-1}$$true
- 4$$ {1-x^{2}}$$false
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