In the triangle above, if `cosa=(5)/(13)`, what is sin b?

In the triangle above, a = 34 . What is the value of b + c ?

In the figure above, what is the value of cosa^(@) if cos(90^(@)-a^(@))=(3)/(5) ?

In the triangle A B C, a=13, b=14, c=15 then sin (A)/(2)=

In the figure above, what is the value of sinA-cosA ?

In any triangle ABC, if cosA cos B + sin A sin B sinC =1 then prove that the triangle in an isosceles right angled.

In a Delta ABC,A is an obtuse angle.If sin A=(3)/(5),sin B=(5)/(13) then sin C=

In a Delta ABC, right-angled at B If sin A=(5)/(13) find the value of other trigonometric ratios.

In any triangle ABC : If (cosA)/a= (cosB)/b , prove that the triangle is isosceles.

If a triangle has sides 5, 12 and 13 units and theta is the acute angle of the triangle, then what is the value of (sin theta + cos theta) ?

In a triangle ABC, if a=2,b=4,c=5 then cosA=