What are the actual calculations behind sin, cos, and tan? - Quora

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What are the actual calculations behind sin, cos, and tan? - Quora

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What are the actual calculations behind sin, cos, and tan? - Quora

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What are the actual calculations behind sin, cos, and tan? - Quora

How to calculate cos sin tan cosec etc without a calculator? Can any methods be recommended - Quora

What is a simple concept of sine, cosine, tangent and theta? - Quora