Posted by **Blake** on Wednesday, April 27, 2011 at 8:23pm.

A coil of wire rotating in a magnetic field induces a coltage E=20sin((PIa/4) - (PI/2)). Use an identity to express this in terms of cos(PIa/4).

Types of Identities:

Double Angle, Half Angle, Sum and Difference of Sine, Cosine, and Tangent, Pythagorean, Reciprocal, Quotient.

Thanks

## Answer this Question

## Related Questions

- Trig - How do you express sin4x as a trigonometric funcition of x using the ...
- Physics - A circular coil (660 turns, radius = 0.037 m) is rotating in a uniform...
- physics - A circular coil (980 turns, radius = 0.078 m) is rotating in a uniform...
- Physics - need help with this problem :/ A circular coil (980 turns, radius = 0....
- physics - can anyone please help me on this one? A circular coil (980 turns, ...
- Trigonometry - use the appropriate trig identity (sum and difference, half angle...
- Physics!!! - When does a magnetic field induce maximum EMF in a wire moving with...
- physics - When does a magnetic field induce maximum EMF in a wire moving with a ...
- trigonometry - Verify that following are identities: 1. cos 3t = 4 cosł t-3 cos ...
- trig - Solving Trig Functions: How Do You Solve For Sin 7.5 Using Half-Angle and...