Home
Class 12
MATHS
If the perimeter of a triangle ABC is 30...

If the perimeter of a triangle ABC is 30 cm, then what is the value of a `cos^(2)(C//2)+ c cos^(2)(A//2)` ?

Promotional Banner

Similar Questions

Explore conceptually related problems

If the perimeter of a triangle ABC is 30cm, then what is the value of a cos^(2)(C//2)+c cos^(2)(A//2) ?

If the perimeter of the triangle ABC is 50 cm then bcos^(2)""(C)/(2)+c cos^(2)""(B)/(2)=

In a triangle ABC the maximum value of (a cos^(2)A//2 +b cos^(2)B//2+cos^(2)C//2)/(a+b+c) is

In a triangle ABC, a=2 cm, b=3 cm and c=4 cm, then the value of cos A is-

If k be the perimeter of the triangle ABC, then b cos^(2)((C)/(2))+ccos^(2)((B)/(2)) is equal to

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

In triangle ABC, If cos B= a/(2c) , then the triangle is-

In triangle ABC,/_C=(2 pi)/(3) then the value of cos^(2)A+cos^(2)B-cos A*cos B is equal

In Delta ABC,b(cos^(2)C)/(2)+c(cos^(2)B)/(2)=

In a triangle ABC, a^2cos^2A=b^2+c^2 then triangle is