What is sin(pi+2y)-sin(0+2y) ?

The solution to sin(pi+2y)-sin(0+2y) is -2sin(2y)

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simplify sin(pi+2y)-sin(0+2y)

simplify

sin (π + 2 y) - sin (0 + 2 y)

- 2 sin (2 y)

Solution steps

sin (π + 2 y) - sin (0 + 2 y)

Rewrite using trig identities

= - sin (2 y) - sin (0 + 2 y)

Rewrite using trig identities

= - sin (2 y) - sin (2 y)

Add similar elements:

- sin (2 y) - sin (2 y) = - 2 sin (2 y)

= - 2 sin (2 y)

sin (tan (- 1) (x))

cos (arctan (7 x^{3}))

sec (\frac{25 π}{2} - x)

cos (cos^{2} (x) - 1)

sin (arcsin (\frac{y}{x}))

What is sin(pi+2y)-sin(0+2y) ?
The solution to sin(pi+2y)-sin(0+2y) is -2sin(2y)