Home
Class 12
MATHS
In a DeltaABC, if b =(sqrt3-1) a and ang...

In a `DeltaABC, if `b =(sqrt3-1) a and angle C=30^(@),` then the value of (A-B) is equal to (All symbols used have usual meaning in the triangel.)

A

`15^(@)`

B

`45^(@)`

C

`75^(@)`

D

`105^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SOLUTION OF TRIANGLES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-2 : One or More than One Answer is/are Correct|15 Videos
  • SOLUTION OF TRIANGLES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-3 : Comprehension Type Problems|13 Videos
  • SEQUENCE AND SERIES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|21 Videos
  • STRAIGHT LINES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-5 : Subjective Type Problems|10 Videos

Similar Questions

Explore conceptually related problems

In a DeltaABC if b =a (sqrt3-1) and /_C =30^@ then the measure of the angle A is

In DeltaABC," if " A-B=120^(@) and R=8r , then the value of (1+cosC)/(1-cosC) equals : (All symbols used hav their usual meaning in a triangle)

In a DeltaABC , if a = 40, c=40sqrt(3) and B=30^(@) , then the triangle is

In a DeltaABC, if a=13, b=14and c=15, then angle A is equal to (All symbols used have their usual meaning in a triangle.)

In a DeltaABC , if b=sqrt(3)+1, c=sqrt(3)-1 and A=60^(@) , then the value of tan.(B-C)/(2) is

If in a Delta ABC, b =sqrt3, c=1 and B-C =90^(@), then angle A is

In DeltaABC, if 2b =a+ c and A-C=90^(@), then sin B equal All symbols used have usual meaning in Delta ABC.]

In a DeltaABC , if a 100, c = 100 sqrt(2) and A=30^(@) , then B equals to

In a DeltaABC , if a = 3, b=2sqrt(3) and c=sqrt(3) , then A=

In Delta ABC , the ratio a/sin A=b/sinB=c/sinC is not always equal to (All symbols used have usual meaning in a triangle.)