SOLUTION: Write the expression in terms of sine only. -√3sin(x) + cos(x) Write the expression in terms of sine only. 3(sin(2x) − cos(2x)) Write the given express

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Question 1031176: Write the expression in terms of sine only.
-√3sin(x) + cos(x)


Write the expression in terms of sine only.
3(sin(2x) − cos(2x))

Write the given expression in terms of x and y only.
cos(sin^−1(x) − tan^−1(y))

Answer by ikleyn(52792)   (Show Source): You can put this solution on YOUR website!
.
Write the expression in terms of sine only.
-√3sin(x) + cos(x)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 

 =  =         ( substitute here  = cos(150°)  and   = sin(150°) )

=  =                   ( next use the formula   =  )

= 2sin(150° + x).

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