If `sinA=sin^2Ba n d2cos^2A=3cos^2B` then the triangle `A B C` is right angled (b) obtuse angled (c)isosceles (d) equilateral

If sin A=sin^(2)Band2cos^(2)A=3cos^(2)B then the triangle ABC is right angled (b) obtuse angled (c)isosceles (d) equilateral

If sinA=sin^2Band2cos^2A=3cos^2B then the triangle ABC is right angled (b) obtuse angled (c)isosceles (d) equilateral

If in a Delta A B C ,cos^2A+cos^2B+cos^2C=1, prove that the triangle is right angled.

In triangle ABC if 2sin^(2)C=2+cos2A+cos2B , then prove that triangle is right angled.

In triangle ABC if 2sin^(2)C=2+cos2A+cos2B , then prove that triangle is right angled.

In triangle ABC if 2sin^(2)C=2+cos2A+cos2B , then prove that triangle is right angled.

In a triangle A B C , the altitude from A is not less than B C andthe altitude from B is not less than A C . The triangle is right angled (b) isosceles obtuse angled (d) equilateral

In a triangle A B C , the altitude from A is not less than B C andthe altitude from B is not less than A C . (a)The triangle is right angled (b) isosceles obtuse angled (d) equilateral

In a triangle A B C , the altitude from A is not less than B C and the altitude from B is not less than A C . (a)The triangle is right angled (b) isosceles obtuse angled (d) equilateral

In any triangle ABC if 2cos B=(a)/(c), then the triangle is(A) Right angled (C) Isosceles (B) Equilateral (D) None of these