Question

Prove the following
3sin-¹x =sin-¹(3x-4x³), [-1/2, 1/2]

Answer 1

Answer:

Put x = sin thetha and thetha (ø)= sin-¹x --(1)

=sin-¹(3sinø – 4sin³ø)

=sin-¹(3sinø)

→3∅(3 thetha)

Then,put thetha value from --(1)

→→3sin-¹x

LHS = RHS

HENCE,PROVED

Step-by-step explanation:

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