Math
Double Angle Formula Calculator
sin 2θ, cos 2θ, and tan 2θ from an angle in degrees.
Free to use — no sign-up or login.
sin 2θ
cos 2θ
tan 2θ
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This free Double Angle Formula Calculator covers sin 2θ, cos 2θ, and tan 2θ from an angle in degrees.
Use the standard double-angle identities. Related math tools sit beside How it works, with no account required.
Using the Double Angle Formula Calculator
sin 2θ, cos 2θ, and tan 2θ from an angle in degrees. Typical inputs are θ (°). How it works beside the form states the identity the Double Angle Formula Calculator applies.
FAQ
How do I use the Double Angle Formula Calculator?
Open the Double Angle Formula Calculator, fill θ (°), and read the result. Use the standard double-angle identities.
What formula does the Double Angle Formula Calculator use?
The Double Angle Formula Calculator uses the identity in How it works. In words: Use the standard double-angle identities.