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Both calculators run independently — change the inputs on either side to compare results.

Trigonometric Identities Calculator

Verify and compute trigonometric identities including sine/cosine sum formulas and double-angle formulas. Use it when studying trig, checking homework, or confirming angle transformations.

First Angle (degrees)

Second Angle (degrees)

Identity Type

Angle Unit

Fill in the required fields to see your result.

Trigonometry

Sinusoidal Wave Function Calculator

Evaluate a sinusoidal wave function y = A·sin(B(x − C)) + D at any x value given its amplitude, frequency, phase shift, and vertical shift. Perfect for physics, signal processing, and math coursework.

Amplitude (A) (units)

Frequency (B)

Phase Shift (C) (units)

Vertical Shift (D) (units)

X Value to Evaluate

Fill in the required fields to see your result.

Key differences

	Trigonometric Identities Calculator	Sinusoidal Wave Function Calculator
Category	Trigonometry	Trigonometry
Inputs required	4	5
Result	Identity Result	Function Value (units)
What it does	Verify and compute trigonometric identities including sine/cosine sum formulas and double-angle formulas. Use it when studying trig, checking homework, or confirming angle transformations.	Evaluate a sinusoidal wave function y = A·sin(B(x − C)) + D at any x value given its amplitude, frequency, phase shift, and vertical shift. Perfect for physics, signal processing, and math coursework.