12 x 16 = 192 square inches
Answer:
The answer is a. cos2x - sin2x - sin x. Use the rule: cos2x = (cos^2)x - (sin^2)x. So, substitute cos2x in the expression: cos2x - sinx = ((cos^2)x - (sin^2)x) - sinx = (cos^2)x - (sin^2)x - sinx. Therefore, choice a. is correct choice.
I don’t know I can’t see you right away
Answer: B.) I and II
Step-by-step explanation: remember doing this in like- middle school so you're welcome! it should be the right answer(: