Trigonometry Question and Answers Practice Question and Answer
8 Q: sin2 10 + sin2 20 + sin2 30 + ....... + sin2 80.┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЛрдВ?
5372 05ef04c2881a47f2e7ae44392
5ef04c2881a47f2e7ae44392- 13false
- 24true
- 30false
- 41false
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Answer : 2. "4"
Q: рдпрджрд┐┬а $$ {Cos^4╬╕ +Sin^4╬╕}={2 \over3} $$ рддреЛ рдХрд╛ рдорд╛рди $$ {Cos^2╬╕ -Sin^2╬╕+1}$$ рдХреНрдпрд╛ рд╣реЛрдЧрд╛?
2664 05e5cac92ceeecd2b761887bd
5e5cac92ceeecd2b761887bd- 1$$ {13 \over15} $$false
- 2$$ {14\over15} $$false
- 3$$ {15 \over14} $$false
- 4$$ {15 \over13} $$true
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Answer : 4. "$$ {15 \over13} $$"
Q: рдпрджрд┐┬аcos2╬▒ +┬аcos2╬▓ = 2,┬арддреЛ┬аtan3 ╬▒ + sin5 ╬▓┬ардХрд╛ рдорд╛рди рд╣реИ┬а?┬а
2656 05df1f6610183ea49d62ce47e
5df1f6610183ea49d62ce47e- 1тАУ 1false
- 20true
- 31false
- 4$$ {1\over тИЪ3 } $$false
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Answer : 2. "0"
Q: рдпрджрд┐ $$ sin θ ={20 \over 29}$$, рд╣реИ рддреЛ sec θ sin θ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?
2522 25d931eb2c263b979273f369a
5d931eb2c263b979273f369a- 1$$ {20 \over 21}$$true
- 2$$ {29 \over 20}$$false
- 3$$ {21 \over 20}$$false
- 4$$ {21 \over 29}$$false
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Answer : 1. "$$ {20 \over 21}$$"
Q: рд░рд┐рдХреНрдд рд╕реНрдерд╛рди рднрд░реЗрдВ:
Sin A = ____ ├Ч (Cos A)┬а
2476 05eb50a96ffc62d0a81dd3446
5eb50a96ffc62d0a81dd3446- 1Sin Afalse
- 2Tan Atrue
- 3Cot Afalse
- 4Cosec Afalse
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Answer : 2. "Tan A "
Q: рджрд┐рдП рдЧрдП рд╕рдореАрдХрд░рдг рдХреЛ рд╣рд▓ рдХреАрдЬрд┐рдПред
$$ {{cot \ 30┬░}\over {1+sin\ 45┬░}}+{{1+sin\ 45┬░}\over cot \ 30┬░}=?$$
2276 05f96bdd6d8201a50c263815f
5f96bdd6d8201a50c263815f- 1$$ {5\sqrt{3}}-{6\sqrt{6}}\over 6$$false
- 2$$ {3-2\sqrt{3}}$$false
- 3$$ {14\sqrt{3}}-{5\sqrt{6}}\over 6$$true
- 4$$ {6\sqrt{6}}-{5\sqrt{3}}\over 6$$false
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Answer : 3. "$$ {14\sqrt{3}}-{5\sqrt{6}}\over 6$$"
Q: 16 tan2 ╬╕ + 25cot2 ╬╕┬ардХрд╛ рдорд╛рди рдиреНрдпреВрдирддрдо рдорд╛рди рд╣реЛрдЧрд╛тАФ
1971 0601a5386552e5f41f7b07e4f
601a5386552e5f41f7b07e4f- 15false
- 24false
- 330false
- 440true
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Answer : 4. "40"
Q: рдпрджрд┐┬а┬аsin╬╕ + cosec╬╕ = 2┬ард╣реИ рддреЛ┬а$$ sin^9 ╬╕ +cosec^9╬╕ $$┬а┬ардХрд╛ рдорд╛рди рд╣реИред
1805 05e7d9f2e83fe6161107a7352
5e7d9f2e83fe6161107a7352- 14false
- 20false
- 31false
- 42true
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