# Imporatant Trigonomentry Question: Quiz

1.( sinA+sinB)/(cosA-cosB) + (cosA+cosB)/(sinA-sinB) = ?
A. 0
B. sinAcosA
C. cosAcosB
D. tanA.tanB

2.Sin19°/cos71° + cos73°/sin17° = ?
A. 0
B. 1/2
C. 1
D. 2
3. If sin 17° = x/y , then the value of sec 17°-sin73° is :
A. (y^2-x^2)/xy
B. x^2//√y^2-x^2
C. x^2/y√y^2+x^2
D. x^2/y√y^2-x^2
4.The value of tan4°.tan43°.tan47°.tan86° is
A. 2
B. 3
C. 1
D. 4
5. If cos x + cosy=2 the value of sinx + siny is
A. 0
B. 1
C. 2
D. -4
6. The numerical value of cot18°
(cot72°cos^2 22°+1/tan72°sec^2 68° is
A. 1
B. √2
C. 3
D. 1/√3
7. If sin (3x-20°)= cos(3x+20°) then the value of (x+y) is
A. 20°
B. 30°
C. 40°
D. 45°
8. If xsin45°= ycosec30°, then x^4/y^4 is eual to
A. 4^3
B. 6^3
C. 2^3
D.8^3

9.In a right -angled triangle xyz,right-angled at y, if xy= 2√6 and xz-yz=2, then secx+tanx is
A. 1/√6
B. √6
C. 2√6
D. √6/2
10. If tan 7xtan2x=1 ,then  the value of tan 3x is
A. √3
B. -1/√3
C. 1/√3
D. -√3

SOLUTION:

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## Join the Conversation

1. u can says:

1-a

2-d

3-

4-c

5-a

6-

7-a

8-a

9-

10-c

2. /- |/| /- // says:

A D D C A
6) bht complicated likha h mam samjh ni aa ra

B A B C

3. /- |/| /- // says:

6th -A

4. Vartika says:

refresh !!!

5. /- |/| /- // says:

Thanku ma'am 🙂

6. Benaam Shayar says:

aaj idhar ?

7. /- |/| /- // says:

Bhai trigo ki quiz k liye aaya tha cgl k liye 🙂

8. kumar says:

A,D,D,C,A,A,,A,,A,B,C

9. Benaam Shayar says:

ok bhai.. hum aksar aate rehte hain yahan..

10. /- |/| /- // says:

Hmmm dheerw dhere cgl ki tyari start ki h to quiz bho karte rahe to practice bni rahegi

11. Benaam Shayar says:

han bhai..

12. kumar says:

Ur name AMAN???

13. /- |/| /- // says:

:)))

14. Benaam Shayar says:

yes bro.. he is aman

15. kumar says:

K bro

16. @sk@ says:

thanq

17. Rinku saini says:

pleas solved it

18. Usha<<(tbyp) says:

A D ? C A
? A A ? C

19. Rinku saini says:

please tell any body this answer of this question 144 or not

20. kumar says:

B=144

21. ankit says:

Hiii kumarr

22. ankit says:

Kitne sahi hue ajj

23. kumar says:

Hi kumar

24. @sk@ says:

hey can any one tell me in 9 prob 2nd step how it came

25. kumar says:

Kitne means how,,,ann means hear na

26. preeti :) says:

thanks mam

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