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In a A B C , right angled at A , if A B...

In a ` A B C ,` right angled at `A ,` if `A B=12 ,A C=5a n dB C=13 ,` find all the six trigonometric ratios of angle `Bdot`

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To find all six trigonometric ratios of angle \( B \) in triangle \( ABC \), where \( A \) is the right angle, we can follow these steps: ### Step 1: Identify the sides of the triangle In triangle \( ABC \): - \( AB = 12 \) (base) - \( AC = 5 \) (perpendicular) - \( BC = 13 \) (hypotenuse) ...
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Trigonometric Ratio OF Right Angle Triangle

RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
  1. In an acute angled triangle A B C , if tan(A+B-C)=1 and ,sec(B+C-A)=2,...

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  2. If each of alphabetaa n dgamma is a positive acute angle such that s...

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  3. In a A B C , right angled at A , if A B=12 ,A C=5a n dB C=13 , find a...

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  4. If cosB=1/3, find the other five trigonometric ratios.

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  5. In a A B C , right angled at A , if A B=5,A C=12a n dB C=13 , find si...

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  6. If sintheta=(a^2-b^2)/(a^2+b^2) , find the values of other five trigo...

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  7. If cos e cA=sqrt(10), find other five trigonometric ratios.

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  8. If tanA=sqrt(2)-1 show that sinAcosA=(sqrt(2))/4

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  9. If cos e cA=2, find the value of 1/(tanA)+(sinA)/(1+cosA)

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  10. Evaluate the following: sin39^0-cos51^0

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  11. The value of (tan55^0)/(cot35^0)+cot1^0cot2^0cot3^0cot90^0,i s -2 (b)...

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  12. If A + B is 90^@, then ( tan A. tan B + tan A. cot B)/ (Sin A. Sec B)...

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  13. If (xcos e c^2 30^0sec^2 45^0)/(8cos^2 45^0sin^2 60^0)=tan^2 60^0-tan^...

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  14. The value of (cos(90^0-theta)sec(90^0-theta)tantheta)/(cos e c(90^0-t...

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  15. If tan2A=cot(A-18^0), where 2A is an acute angle, find the value of A.

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  16. Prove the following: sinthetasin(90^0-theta)-costhetacos(90^0-theta)=0

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  17. Find an acute angle theta , when (costheta-sintheta)/(costheta+sinthet...

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  18. If sin(A+B)=1 and cos(A-B)=(sqrt(3))/2, then find A and B dot

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  19. Evaluate each of the following: cot 12^0cot 38^0cot52^0cot60^0cot78^0 ...

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  20. Prove that: tan10^0tan15^0tan75^0tan80^0=1 tan1^0tan2^0tan3^0tan89^0=...

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