if A = cos²0 + sin⁴0 for all values of 0, then prove that ¾≤A≤1
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Step-by-step explanation:
⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆⋆⋆⫷❥ᴀ᭄n §₩ΣR⫸⋆⋆
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