Posted by **Steve** on Sunday, March 31, 2013 at 3:28pm.

knowing that 2(theta) can be written as theta + theta, find the expression for sin2(theta) and cos2(theta).

Is it 2sin(theta)cos(theta)?

## Answer This Question

## Related Questions

- Mathamatics - Solve the following trigonometry identities. a) 1-cos2(theta) = ...
- Calculus - I wanted to confirm that I solved these problems correctly (we had to...
- Physics - An object is shot at 20m/s at an angle theta. The object lands 24m ...
- trig - If sin theta is equal to 5/13 and theta is an angle in quadrant II find ...
- Algebra II - Multiple Choice Which expression is NOT equivalent to 1? (theta) ...
- Mathematics - 1. Show that Sin3 Theta - Cos2 Theta = (1 - Sin Theta)(4Sin^2 ...
- Precalculus(NEED HELP ASAP PLEASE!!) - cot(theta)= 3 pi < theta < 3pi/2 ...
- Precalculus check answers help! - 1.) Find an expression equivalent to sec theta...
- Precalculus check answers help! - 1.) Find an expression equivalent to sec theta...
- Trig - Which expression equivalent to: cos(theta + pi/2). A)cos theta B)-cos ...

More Related Questions