What is sin(x-(7pi)/4) ?

The solution to sin(x-(7pi)/4) is sin(pi/4+x)

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simplify sin(x-(7pi)/4)

simplify

sin (x - \frac{7 π}{4})

sin (\frac{π}{4} + x)

Solution steps

sin (x - \frac{7 π}{4})

Rewrite using trig identities

= \frac{2 ( sin ( x ) + cos ( x ) )}{2}

Rewrite using trig identities

= sin (\frac{π}{4} + x)

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

sin^{(2)} (- x) + cos (- x)

cos (πk)

a cot (- 0.5335408715)

\frac{ln ( sec ( x ) )}{sec ( x )}