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What is the value of sin^2 45^@+ cos^2 4...

What is the value of `sin^2 45^@+ cos^2 45^@`?
`sin^2 45^@+ cos^2 45^@` का मान क्या है ?

A

1

B

2

C

`-1`

D

0

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

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

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

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

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

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

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

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

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  11. If sinx - cosx = 0, then the value of (sin^3 x-cos^3 x) is: यदि sin...

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  12. (cotx)/(1+cosec x)+ (1+cosec x)/(cot x) is equal to: (cotx)/(1+cosec...

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  13. If tanx = m/n and 0^@lex le 90^@, then the value of (sin x + cos x) is...

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  14. If cos x = 24/25,0le xle90^@, then the value of cot x + cosec x is: ...

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  15. If sectheta and sintheta (0 lt theta lt 90) are the roots of the equat...

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  16. If tanx =3/2, then the value of (3sinx+2cosx)/(3sinx-2cosx) is: यदि ...

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  17. Which of the following values suits for A to make the equation (ATan 6...

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  18. If tan^4 x-tan^2 x=1, then the value of sin^4 x+Sin^2 x is: यदि tan^...

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  19. If sin x + cosec x = 2, then sin^17 x+ cosec^18 x is equal to: यदि s...

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  20. If sin theta-cos theta=7/17, then find the value of sin theta+cos thet...

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