Question: Let sin ( A) = - with A in QIII. Find the exact value using the Half-Angle Identity for: tan Preview TIP Enter your answer

your answer as a number (like 5, -3, 2.2172) or as a

calculation (like 5/3, 243, 5+4) Enter DNE for Does Not Exist, oo

for Infinity Get Help: Video Points possible: 1 Licenge This is attempt

Let sin ( A) = - with A in QIII. Find the exact value using the Half-Angle Identity for: tan Preview TIP Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 243, 5+4) Enter DNE for Does Not Exist, oo for Infinity Get Help: Video Points possible: 1 Licenge This is attempt 1 of 3.Let tan A = 5 12 with A in QIV. Find the exact value for cos (2A) = Preview TIP Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3. 243, 5+4) Enter DNE for Does Not Exist, oo for Infinity Get Help: Video Points possible: 1 License This is attempt 1 of 3. Submit

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