Question

given cosA =5/13 evaluate sinA -cotA/2tanA

Answer 1

Ans:-
Using formula of trigo,we get
395/3744

Answer 2

Answer:

395/3744

Step-by-step explanation:

first we name the triangle abc

and put the value according to question

then we find perpendicular

after finding perpendicular we have to put the value

as shown in solution

then simplify

you get the answer

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