Trigonometric power reducing Calculator

Enter u angle in degree:
Result:

Trigonometric power reducing Formula：

sin 2X = 1/2 - (1/2)cos(2X))
cos 2X = 1/2 + (1/2)cos(2X))

For example, when u = 30, sinu2 = 0.25, cosu2 = 0.75, tanu2 = 0.333333.

Trigonometric power reducing Calculator will help you calculate math problems.

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