Question

Given : cos A = 5/13
evaluate : (1) sin A - cot A/2 tan A ​

Answer 1

Answer:

_14/13

Step-by-step explanation:

Accoding to phytagorus theorm we should find the other angle . It is 12.

Sin A-CotA/2 tan A

=12/13 -5/12/2× 12/5

=12/13 -5/12×2×12/5

=12/3 -2

=12-26/13

-14/13