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Popular >

simplify cos(90+θ)

Solution

simplify

cos (9 0^{\circ} + θ)

Solution

- sin (θ)

Solution steps

cos (9 0^{\circ} + θ)

Rewrite using trig identities

= - sin (θ)

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Frequently Asked Questions (FAQ)

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