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If tanA=(1)/(2) and tanB=(1)/(3), then t...

If `tanA=(1)/(2) and tanB=(1)/(3)`, then `tan(2A+B)` is equal to

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
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ML KHANNA-TRIGONOMETRY RATIOS AND IDENTITIES-PROBLEM SET (4) ( MULTIPLE CHOICE QUESTIONS)
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  2. If tanalpha=m/(m+1)a n dtanbeta=1/(2m+1) . Find the possible values of...

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  3. If tanA=(1)/(2) and tanB=(1)/(3), then tan(2A+B) is equal to

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  4. A = 18^(@)and cos 2A=

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  5. If cot (alpha + beta )=0 , then sin(alpha+2beta )=

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  6. Prove that (tan^(2)2theta-tan^(2)theta)/(1-tan^(2)2thetatan^(2)theta)=...

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  7. ( sec 8 theta -1 )/( sec 4 theta -1) =

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  8. Prove that (cosalpha+cosbeta)^2+(sinalpha+sinbeta)^2=4cos^2((alpha-bet...

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  9. ( cos alpha - cos beta )^(2) + ( sin alpha - sin beta )^(2) =

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  10. Prove that: ((cosA+cos B)/(sinA-s inB))^n+((sinA+s inB)/(cosA-cosB))^n...

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  11. If cos(alpha+beta)=(4)/(5) and sin(alpha-beta)=(5)/(13) and alpha, bet...

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  12. Let alpha, beta be such that pi lt alpha - beta lt 3pi . If sin alpha...

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  13. The roots of both the equation sin^(2) x + p sin x + q = 0 and cos^(2...

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  14. If sin(120^0-alpha)=sin(120^0-beta),0<alpha,beta<pi, then find the rel...

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  15. If A=130^(@) and x=sinA+cosA, then

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  16. If alphaa n dbeta are the solutions of the equation at a ntheta+bs e c...

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  17. If a cos 2 theta + b sin 2 theta =c has alpha and beta as its solut...

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  18. and tan alpha tan beta =

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  19. If alpha and beta are two distinct solutions of the equation a cos x +...

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  20. If alpha+beta=pi/2a n dbeta+gamma=alpha, then tanalpha equals 2(tanbet...

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