Page 42 - E booklet prep 3 bader 2025 b_Neat
P. 42
Example 1:
ABC is aright angled triangle at c , AB =13 cm , BC = 12 cm
Find the length of ?¯¯?¯?¯?
Find each of the following sin A , Cos A , tan A , sin B , cos B , tan B
Prove that sin A cos B + cos A sin B =1
Find : 1 + ??????????
AC= 5cm B
12 cm
Sin A = ???? Sin B = ??
???? ????
13 cm
cos A = ?? cos B = ????
???? ????
tan A = ???? tan B = ??
?? ????
C 5 cm A
???? ???? ?? ??
LHS= ???? x ???? + ???? x ???? = 1 = RHS
1 + (????)?? = ??
??
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