LOL
Show where Peter preached "that Christ died for our sins" at Pentecost.
Mark 8:29 KVJ And he saith unto them, But whom say ye that I am? And Peter answereth and saith unto him,
Thou art the Christ.
Peter preached Jesus died for our sins.
Acts 2:38 Peter replied, “Repent and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of your sins. And you will receive the gift of the Holy Spirit.
...and that Jesus was raised from the dead.
Acts 5:31 God exalted him to his own right hand as Prince and Savior that he might bring Israel to repentance and forgive their sins.
...and that we have to believe in Jesus.
Acts 10:43 All the prophets testify about him that everyone who believes in him receives forgiveness of sins through his name.”
Paul taught the exact same thing.
Peter
He himself bore our sins in his body on the tree, so that we might die to sins and live for righteousness; by his wounds you have been healed. 1 Peter 2:24.
2 Peter 2:9 if this is so, then the Lord knows how to rescue the godly from trials and to hold the unrighteous for punishment on the day of judgment.
Peter preached Jesus dying for our sins.
1 Peter 1:19
but with the precious blood of Christ, a lamb without blemish or defect.
Paul AND PETER call it the Gospel of God.
Romans 1:1 Paul, a servant of Christ Jesus, called to be an apostle and set apart for the gospel of God—
Romans 15:16 to be a minister of Christ Jesus to the Gentiles. He gave me the priestly duty of proclaiming the gospel of God, so that the Gentiles might become an offering acceptable to God, sanctified by the Holy Spirit.
2 Corinthians 11:7 Was it a sin for me to lower myself in order to elevate you by preaching the gospel of God to you free of charge?
1 Thessalonians 2:8 so we cared for you. Because we loved you so much, we were delighted to share with you not only the gospel of God but our lives as well.
1 Thessalonians 2:9 Surely you remember, brothers and sisters, our toil and hardship; we worked night and day in order not to be a burden to anyone while we preached the gospel of God to you.
1 Peter 4:17 For it is time for judgment to begin with God’s household; and if it begins with us, what will the outcome be for those who do not obey the gospel of God?
1 Thessalonians 2:2 We had previously suffered and been treated outrageously in Philippi, as you know, but with the help of our God we dared to tell you his gospel in the face of strong opposition.