Home
Class 12
MATHS
In triangle ABC, state which of the foll...

In triangle ABC, state which of the following is the value of (bc cosA + ca cosB)?

A

`a^(2)`

B

`b^(2)`

C

`c^(2)`

D

`a^(2) + b^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLE

    CHHAYA PUBLICATION|Exercise Very Short Answer Type Questions|20 Videos

  • PROPERTIES OF TRIANGLE

    CHHAYA PUBLICATION|Exercise Short Answer Type Questions|28 Videos

  • PROPERTIES OF TRIANGLE

    CHHAYA PUBLICATION|Exercise Assertion- Reason Type:|2 Videos

  • PRODUCTS OF TWO VECTORS

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Examination (Assertion - Reason Type )|2 Videos

  • QUADRATIC EQUATIONS

    CHHAYA PUBLICATION|Exercise Sample Question for Competitive Exams (Assertion- Reason Type)|2 Videos

Similar Questions

Explore conceptually related problems

In triangle ABC which one of the following is equal to ab cos C+bc cosA?

If 0^@le A le90^@ and sin A =cosA , state which of the following is the value of A ?

In triangle ABC, If B=90^(@) , state which of the following is true?

In triangle ABC, if a=3, b=5 and c=120^(@) , state which of the following is the value of c?

In triangle ABC, if (a+b+c)(b+c-a) = 3bc, state which of the following is the value of the angle A?

The circumradius of triangle ABC is 10 units: If c=10sqrt(3) units, state which of the following is the value of the angle C?

If A+B = pi/3 and cosA+cosB=1, then which of the following is/are true

In triangle ABC if a=3 cm b=4cm and c=5 am then value of cosB is

In a triangle ABC , if a,b,c are the sides opposite to angles A , B , C respectively, then the value of |{:(bcosC,a,c cosB),(c cosA,b,acosC),(acosB,c,bcosA):}| is

If the median AD of triangle ABC makes an angle pi/4 with the side BC, then find the value of |cotB-cotC|dot