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Popular >

simplify sin(x-90)

Solution

simplify

sin (x - 9 0^{\circ})

Solution

- cos (x)

Solution steps

sin (x - 9 0^{\circ})

Rewrite using trig identities

= - cos (x)

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cos (27 0^{\circ} + x)

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tan (arccos (\frac{y}{9}))

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Frequently Asked Questions (FAQ)

What is sin(x-90) ?
The solution to sin(x-90) is -cos(x)