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Solve the following : (2sin22^@)/(cos68^...

Solve the following : `(2sin22^@)/(cos68^@)-(2cot75^@)/(5 tan15^@)-(8 tan 45^@ tan20^@ tan 40^@ tan 50^@ tan70^@)/5`

A

0

B

1

C

3

D

2

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Prove that : (i) (sin 70^@)/(cos 20^@)+(cosec 20^@)/(sec 70^@)-2cos 70^@cosec 20^@=0 (ii) (cos 80^@)/(sin 10^@)+cos 59^@cosec 31^@=2 (iii) (2 sin 68^@)/(cos 22^@)-(2 cot 15^@)/(5 tan 75^@)-(3tan 45^@tan 20^@tan 40^@tan 50^@tan 70^@)/(5)=1 (iv) (sin 18^@)/(cos 72^@)+sqrt(3) (tan 10^@ tan 30^@tan 40^@tan 50^@tan 80^@)=2 (v) (7cos 55^@)/(3 sin 35^@)-(4(cos 70^@cosec 20^@))/(3(tan 5^@tan 25^@tan 45^@tan 65^@tan 856^@))=1

tan10^(@)-tan50^(@)+tan70^(@)

Evaluate : (2sin68^(0))/(cos22^(0))-(2cot15^(0))/(5tan75^(0))-(3tan45^(0)tan20^(@)tan40^(@)tan50^(@)tan70^(@))/(5)

tan10^(@)-tan50^(@)+tan70^(@)=?

The value of tan 15^@ tan 25^@ tan 45^@ tan 65^@ tan 75^@ is

(2sin68^(@))/(cos22^(@))-(2cot15^(@))/(5tan75^(@))-(3tan45^(@).tan20^(@).tan40^(@).tan50^(@).tan70^(@))/(5) is equal to

tan 70^(@) - tan 20^(@) -2 tan 40^(@)=

Find the value of : ((3tan41^@)/(cot49^@))^2-((sin35^@ sec55^@)/(tan10^@ tan20^@ tan60^@ tan70^@ tan80^@))^2

PINNACLE-TRIGONOMETRY-EXERCISE
  1. The value of (cosecA + cotA +1)(cosecA - cotA + 1) - 2cosecA is: (co...

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  2. If 5 cot theta=3, find the value of (6 sin theta-3cos theta)/(7sin the...

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  3. Solve the following : (2sin22^@)/(cos68^@)-(2cot75^@)/(5 tan15^@)-(8 t...

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  4. The value of (3(1-2sin^2x))/(cos^2x-sin^2x) is: (3(1-2sin^2x))/(cos...

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  5. The value of cos10^@ cos30^@ cos50^@ cos70^@ cos90^@ is: cos10^@ co...

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  6. The value of (cosec 30^@-tan45^@) cot 60^@ tan30^@ is: (cosec 30^@-t...

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  7. The least value of 8 cosec^2 theta+ 25 sin^2 theta is: 8 cosec^2 the...

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  8. If (cos theta+sin theta)/(cos theta- sin theta)=8, then the value of c...

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  9. If cot A = k, then sin A is equal to : (presume that A is an acute ang...

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  10. Find the value/ मान ज्ञात कीजिए: (tan60^@-tan15^@)/(1+tan60^@ tan15^@)

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  11. If 3 sec^2 x-4=0, then the value of x(0<x<90^@) यदि 3 sec^2 x-4=0 ह...

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  12. If 4cos^2 theta-3 sin^2 theta+2=0, then the value of tan theta is (whe...

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  13. What is the value of sin^2 45^@+ cos^2 45^@? sin^2 45^@+ cos^2 45^@ ...

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  14. If tan theta=20/21, then the value of (sin theta-cos theta)/(sin theta...

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  15. If sin x =12/37, then what is the value of tan x? यदि sin x =12/37 ह...

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  16. If A = 2(sin^6 theta+ cos^6 theta)- 3 (sin^4 theta+ cos^4 theta) then ...

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  17. If 117 Cos^2 A+129 Sin^2 A=120 and 170 Cos^2 B+158 Sin^2 B=161, then t...

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  18. If cosA, sinA, cotA are in geometric progression, then the value of ta...

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  19. If ((1+sin theta-cos theta))/((1+sin theta+cos theta))+((1+sin theta+c...

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  20. If sec A = sqrt11/3, then the value of (cosec^2 A+tan^2 A)/(sin^2 A+co...

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