1. Sen30° + cos90°2?
1. Sen30° + cos90° 2. Csc 30°xcot60° 3. Sec60° \ cos30°.
1. Sen30° + cos90° 2. Csc 30°xcot60° 3. Sec60° \ cos30°.
En resumen
1. 1 / 2 + 0 2. <img src="https://tex.z-dn.net/?f=2%20%5Ctimes%20%20%20%5Cfrac%7B%20%5Csqrt%7B3%7D%20%7D%7B3%7D%20" /> 3. <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B%20%5Cfrac%7B%20%5Csqrt%7B3%7D%20%7D%7B2%7D%20%7D%20" /> <img src="https://tex.z-dn.net/?
1. 1 / 2 + 0
2.
<img src="https://tex.z-dn.net/?f=2%20%5Ctimes%20%20%20%5Cfrac%7B%20%5Csqrt%7B3%7D%20%7D%7B3%7D%20" />
3.
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B%20%5Cfrac%7B%20%5Csqrt%7B3%7D%20%7D%7B2%7D%20%7D%20" />
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B3%7D%20" />.
A) COSASENA - (COSA)2 = (SENA)2 COSASENA = (SENA)2 + (COSA)2, COSASENA = 1 RECORDAR SEN2A = 2SENACOSA SEN2A / 2 = SENACOSA SEN2A = 2 A = 15 B) RECODAR : TGA + CTGA = SECACSCA (SECACSCA)2 = SECA + (CSCA)2 , (CSCB)2…
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