Home
Class 12
MATHS
ABC is an obtuse angled triangle whose a...

ABC is an obtuse angled triangle whose `angle C =135^(@)`
Value of (cot A - 1)(cotB - 1) is

A

1

B

2

C

3

D

undefined

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    CHHAYA PUBLICATION|Exercise Matrix Match Type|2 Videos
  • TRIGONOMETRIC RATIOS OF ASSOCIATED ANGLES

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTIONS FOR COMPETITIVE EXAMS - ASSERTION-REASON TYPE|2 Videos
  • TRIGONOMETRIC RATIOS OF MULTIPLE ANGLES

    CHHAYA PUBLICATION|Exercise Comprehension Type|6 Videos

Similar Questions

Explore conceptually related problems

ABC is an obtuse angled triangle whose angle C =135^(@) Value of tanA + cotB is-

ABC is an obtuse angled triangle whose angle C =135^(@) Value of (1 + tan A)(1 + tanB) is-

If ABC is a right angled triangle, then the value of (cos ^(2)A +cos ^(2) B+ cos ^(2)C) is -

ABC is an acute angled triangle in which cosec (B+C-A) =1 and cot (C+A-B)=1/sqrt(3) , then sin A =

ABC is an acute angled triangle in which cosec (B+C-A) =1 and cot (C+A-B)=1/sqrt(3) , then sec B=

If in an obtuse angled triangle the obtuse angle is (3pi)/4 and the other two angle are equal to two values of theta satisfying atantheta +bsectheta=c, when abs(b)lesqrt((a^2+c^2)), then a^2-c^2 is equal to

ABC is an acute angled triangle in which cosec (B+C-A) =1 and cot (C+A-B)=1/sqrt(3) , then tan C=

If A,B,C are the angles of a triangle, prove that the maximum value of cos A cos B cos C "is" (1)/(8)

ABC is a right angled triangle, then the value of sin^(2)A + sin^(2)B + sin^(2)C will be-