"In a ` /_\A B C`, right angled at `B`, `A B=24 c m`, `B C=7c m`. Determine(i) `sinA ,cosA`(ii)

In a ABC, right angled at B,AB=24cmBC=7cm. Determine sin A,cos A( ii) sin C,cos C

In DeltaA B C , right-angled at B,A B" "=" "24" "c m ," "B C" "=" "7" "c m . Determine: (i) sin A, cos A (ii) sin C, cos C

In DeltaA B C , right-angled at B, A B" "=" "5" "c m and /_A C B=30^@ (see figure). Determine the lengths of the sides BC and AC.

In Fig. 15.98, A B C is a right angled triangle in which /_A=90o , A B=21\ c m and A C=28\ c m . Semi-circles are described on A B ,\ B C and A C as diameters. Find the area of the shaded region. (FIGURE)

In a DeltaABC , if a = 18, b = 24, c = 30, find (i) sinA, sinB, sinC (ii) cosA, cosB, cosC

In a triangle A B C , right angled at B , the inradius is (A B+B C-A C)/2 (b) (A B+A C-B C)/2 (A B+B C+A C)/2 (d) none

Triangle A B C is right angled at AdotA D is perpendicular to B Cdot If A B=5 c m , B C=13 c m and A C=12 c mdot Find the area of A B Cdot Also, find the length of A Ddot

X Y is drawn parallel to the base B C of a A B C cutting A B at X and A C at Y . If A B=4 B X and Y C=2c m , then A Y= 2c m (b) 4c m (c) 6c m (d) 8c m

In which of the following cases can a right triangle A B C be constructed? A B=5\ c m ,\ B C=7\ c m ,\ A C=10\ c m A B=7\ c m ,\ B C=8\ c m ,\ A C=12\ c m A B=8\ c m ,\ B C=17\ c m ,\ A C=15\ c m None of these