Home
Class 12
MATHS
If in DeltaABC , cotA, cotB, cotC are in...

If in `DeltaABC` , `cotA`, `cotB`, `cotC` are in A.P., then

A

`a,b,c` are in A.P.

B

`a^(2),b^(2),c^(2)` are in A.P.

C

`cosA,cosB,cosC` are in A.P.

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SOLUTION OF TRIANGLES

    MODERN PUBLICATION|Exercise Latest questions from AIEE/JEE Examinations|5 Videos

  • SOLUTION OF TRIANGLES

    MODERN PUBLICATION|Exercise Latest questions from AIEE/JEE Examinations|5 Videos

  • SETS

    MODERN PUBLICATION|Exercise Recent Competitive Questions (RCQs)|6 Videos

  • STATISTICS

    MODERN PUBLICATION|Exercise QUESTION FROM KARNATAKA CET & COMED|3 Videos

Similar Questions

Explore conceptually related problems

{:(,"List-I",,"List-II"),((A),"In a "DeltaABC a+b=3c", then "cot.(A)/(2)cot.(B)/(2)" is",(i),b^(2)-c^(2)),((B),"If the sides a, b, c of a triangle are in A.P., then the value of "cot.(A)/(2)cot.(C)/(2)" is",(ii),(pi)/(3)),((C),"In a "DeltaABC a(bcosC-cosB)" is equal to",(iii),3),((D),"In a "DeltaABC a=2band|A-B|=(pi)/(3)" Then "angleC " is",(iv),2):}

A triangle ABC is such that sin(2A+B) =1/2 and If A, B and C are in A.P., then find the value of A and C

Knowledge Check

  • If ln ( a+c ) , ln ( c-a) , ln(a-2b+c) are in A.P., then :

    A
    a,b,c are in A.P.
    B
    `a^(2) , b^(2) , c^(2)` are in A.P.
    C
    a,b,c are in G.P.
    D
    a,b,c, are in H.P.

  • If log( a+c), log(c-a) , log ( a-2b+c) are in A.P., then :

    A
    a,b,c are in A.P.
    B
    `a^(2),b^(2) ,c^(2)` are in A.P.
    C
    a,b,c are in G.P.
    D
    a,b,c are in H.P.

  • a, b, c are in A.P, b, c, d are in G.P and c, d, e are in H.P, then a, c, e are in

    A
    a.A.P
    B
    b.`G . P`
    C
    c.`H . P`
    D
    d.none of these

    • Similar Questions

    Explore conceptually related problems

    If in a triangle PQR; sin P, sin Q, sin R are in A.P; then

    If a, b, c are in A.P., a, x, b are in G.P., and b, y, c are in G.P., then (x, y) lies on :

    If a,b,c are in A.P. and a^(2) , b^(2) , c^(2) are in H.P. , then :

    If a,b,c are three unequal numbers such that a,b,c are in A.P. And b-a, c -b , a are in G.P., then a: b : c is :

    If a,b,c are in A.P. and a,mb,c are in G.P. , then a, m^(2)b, are in :

    Home
    Profile