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Popular >

simplify (cos(θ)-sin(θ))^2-1

Solution

simplify

(cos (θ) - sin (θ))^{2} - 1

Solution

- sin (2 θ)

Solution steps

(cos (θ) - sin (θ))^{2} - 1

Rewrite using trig identities

= - sin (2 θ)

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Frequently Asked Questions (FAQ)

What is (cos(θ)-sin(θ))^2-1 ?
The solution to (cos(θ)-sin(θ))^2-1 is -sin(2θ)