Question

5sinα+12cosα=13. Find cotα=?

Answer 1

Answer:

5 sinα + 12cosα = 13

Divide by 13 to the both sides

(5/13 )sinα + (12/13)cosα= 1

let, cosα=12/13

we know,

sin^2 thita + cos ^2 thita = 1

therefor ,

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