aishworya45 aishworya45
  • 13-02-2021
  • Mathematics
contestada

cos^4 A/2 - sin^4 A/2 =cos A​

Respuesta :

rosie2276
rosie2276 rosie2276
  • 13-02-2021

Step-by-step explanation:

ive used simple the formula. hope u understand

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