The expression sin2x is a trigonometric expression
The equivalent of sin2x is (d) 2sinxcosx
How to solve the trigonometric expression
The expression is given as:
sin2x
Rewrite properly as:
sin(2x)
To solve the expression, we make use of the following double angle ratio
sin(2a) = 2sin(a)cos(a)
Substitute x for a in the above equation
sin(2x) = 2sin(x)cos(x)
Rewrite the equation as
sin2x = 2sinxcosx
Hence, the equivalent of sin2x is (d) 2sinxcosx
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