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A = 30⁰ then value of cos² A – sin² A is?​

Answer»

1/2Step-by-step EXPLANATION:==: cos² A – sin² A==: cos² 30 – sin² 30==: (√3/2)² - (1/2)²==: 3/4 - 1/4==: 2/4==: 1/2Pls MARK my answer as BRAINLISTPLS follow me



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