2. y = sinx +1 (Hint: find the value of sine, then add 1.) 8.1.2 Checkup: Lessons Learned 1/3 Copyright @ 2022 Apex Learning Inc. Use of this material is subject to Apex Learning's Terms of Use. Any unauthorized copying, reuse, or redistribution is prohibited. 0 A/W Sinx +1 5x 25 sinx +1 2+ -25 -5x _4x 3. What is the domain, range, and period of y - -cosx (from the first problem)? 4. Using the definition of an even function, show that y = -cosx is even. 8.1.2 Checkup: Lessons Learned 2/3 Copyright @ 2022 Apex Learning Inc. Use of this material is subject to Apex Learning's Terms of Use. Any unauthorized copying, reuse, or redistribution is prohibited