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Popular >

simplify cos(90+x)

Solution

simplify

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

Solution

- sin (x)

Solution steps

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

Rewrite using trig identities

= - sin (x)

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Frequently Asked Questions (FAQ)

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