ꜱɪɴ ² + ᴄᴏꜱ = 1 ꜱɪɴ² = 1 – ᴄᴏꜱ ᴄᴏꜱ²= ¹ – ꜱɪɴin which chapter tell me
Answer:
Introduction to. Trignometry
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Answer:
Introduction to. Trignometry