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Homework Statement
Find the exact value of the expression:
Homework Equations
sin[2arcsin(3/5)]
The Attempt at a Solution
I know you're supposed to use sin2x=2sinxcosx somehow but not sure how to start.
Start by letting u = arcsin(3/5). Then your expression is sin(2u) = ?Homework Statement
Find the exact value of the expression:
Homework Equations
sin[2arcsin(3/5)]
The Attempt at a Solution
I know you're supposed to use sin2x=2sinxcosx somehow but not sure how to start.