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Popular >

simplify cos(x-90)

Solution

simplify

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

Solution

sin (x)

Solution steps

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

Rewrite using trig identities

= sin (x)

Popular Examples

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Frequently Asked Questions (FAQ)

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