Q49Multiple choice
∫ sin ( x – a ) sin ( x – b ) is equal to sin( x – b) sin( x – a)
- (A)sin (b – a) log +C
- (B)cosec (b – a) log +C sin( x – a) sin( x – b) sin( x – b) sin( x – a)
- (C)cosec (b – a) log +C
- (D)sin (b – a) log +C sin( x – a) sin( x – b) ∫ tan –1