if cosec theta =13/12, find the value of 2 sin theta - 3 cos theta / 4 sin theta - 9 cos theta
Answers
Answered by
24
Solution :-
Given ,
- cosecθ = =
To find ,
Taking a right angled triangle ABC with ,
- AB = Height = 12
- BC = Base
- AC = Hypotenuse = 13
So , using Pythagoras theorem
AC² = AB² + BC²
13² = 12² + BC²
BC =
BC =
BC = 5
Now ,
- sinθ =
- cosθ =
Now , substituting
Answered by
45
To find ,
Taking a right angled triangle ABC with ,
AB = Height = 12
BC = Base
AC = Hypotenuse = 13
So , using Pythagoras theorem
AC² = AB² + BC²
13² = 12² + BC²
BC = 5
Then,
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