Question

ans this question as fast as possible?​

Answer 1

Answer:

Step-by-step explanation:

acos x - b sin x = c

a²cos²x + b²sin²x - 2absinx cosx = c²

a²( 1 - sin² x) + b² ( 1 - cos ²x ) = c² + 2absinx cosx

a² + b² - c² = a²sin²x + b² cos²x + 2absinx cosx

( asinx  + b cos x)² =  a²+b²-c²

( asin x + b cos x ) = ± √ a² +b² -c²

Answer 2

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