Answer:
14
Step-by-step explanation:
I think. sorry if i am wrong
Answer:
Step 1:
✔ Cofunction identity
Step 5:
✔ Sine difference identity
Step 6:
✔ Cofunction Identity
Step 7:
✔ Cosine function is even, sine function is odd.
Step-by-step explanation:
Answer:
Yes. Both are graphing calculators. TI 83 has a black only screen while the TI 84 has a colored screen