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Tan A + Tan B + Tan C - (sin(A+B+C))/(co...

Tan A + Tan B + Tan C - `(sin(A+B+C))/(cosAcosBcosC)=`

A

Tan A Tan B TanC

B

SinA SinB SinC

C

CosA CosB CosC

D

TanA TanB+ TanB TanC + TanC TanA

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A
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AAKASH SERIES-COMPOUND ANGLES-EXERCISE - II
  1. If tan A=(x sin B)/(1- x cos B) and tan B=(y sin A)/(1-y cos A) then ...

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  3. If sin (120^(@) - alpha) = sin (120^(@) - beta) and 0 lt alpha,beta lt...

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  4. If 2 tan A + cot A = tan B , then cot A +2 tan (A-B)=

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  5. In a Delta ABC , if the angle C is obtuse, then tan A ta B =

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  6. In a triangle ABC, fi Tan A + Tan B + Tan C = 6 and Tan A Tan B = 2 th...

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  7. In Dleta ABC if Tan B = (2Sin ASinC)/(Sin(A+C)) then TanA, TanB, TanC ...

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  8. In a triangle ABC, If cot A+ cotB +cot C=sqrt3, then show that the tri...

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  9. Tan A + Tan B + Tan C - (sin(A+B+C))/(cosAcosBcosC)=

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  10. Statement-I : If 0 lt alpha, beta lt pi/4, sin alpha =a/sqrt(1+a^(2)),...

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  11. I : If x cos theta = y cos (120^@ + theta ) = z cos ( theta + 240^(@)...

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  12. A =(cos 9^(@) - sin 9^(@))/(cos 9^(@) + sin 9^(@)) , B = (cos 21^(@) +...

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  13. Assertion (A) : If cos(x-y) = 3 cos (x + y) then cotx cotx = 2 Reaso...

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  14. Assertion (A) : tan (alpha - beta) + tan (beta - lambda) + tan (lambda...

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  15. Assertion (A) : tan 70^(@) - tan 20^(@) = 2 cot 40^(@) Reason (R ) : I...

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  16. cos alpha * sin (beta - gamma ) + cos beta * sin ( gamma - alpha ) + c...

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  17. If A = 35^(@), B = 15^(@), C = 40^(@), then tan A tan B +tan B tan C +...

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  18. In an acute angled triangle ABC, cot A cot B + cot C + cot c Cot A = …...

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  19. (Cos13-Sin13)/(Cos13+Sin13)+(1)/(Cot148^@)=

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  20. If (1+tan alpha)(1+tan 4alpha)=2, alpha epsilon(0,(pi)/(6)), then alph...

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