Mathematics
Junior High
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1).กำหนดให้ 4tanA = 3 จงหาว่า cosA จะมีค่าเท่าใด
ขอคำตอบพร้อมแสดงวิธีทำค่ะ🙏🙏🙏
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1).กำหนดให้ 4tanA = 3 จงหาว่า cosA จะมีค่าเท่าใด
ขอคำตอบพร้อมแสดงวิธีทำค่ะ🙏🙏🙏
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are also looking at these questions 😉
ขอบคุณมากค่ะ🙏