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Shalnov [3]
3 years ago
11

SinA•cosA•tanA+cosA-SinA.cotA give answer pls​

Mathematics
1 answer:
fiasKO [112]3 years ago
6 0

Answer:

Step-by-step explanation:

Tan A = Sin A/Cos A

Cot A = Cos A / Sin A

Sin A*Cos A * tan A + Cos A * Sin A * Cot A

  = Sin A * Cos A * \frac{Sin A}{Cos A} + Cos A*Sin A * \frac{Cos A}{Sin A}\\\\= Sin A * Sin A + Cos A * Cos A\\\\= Sin^{2} A + Cos^{2} A\\\\= 1

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