tan 50⁰

Sale Price:$333.00 Original Price:$999.00
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c. Tan 50⁰. Cotan (90⁰ – c) = tan c. Tan 50⁰ = Cotan (90⁰ – 50⁰) Maka Tan 50⁰ = Cotan 40⁰. d. Sin 75⁰. Sin (90⁰ – c) = cos c. Sin (90⁰ – 15⁰) = cos 15⁰. Maka Sin 75⁰ = cos 15⁰ cos 330 x sin 150 x tan 135

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