Decide whether to use sin, cos, or tan to find d : Write tan(ϴ) as a fraction. o Explain why tan(45 ) is exactly 1.000. Find α given that sin(α) = 0.819 o Solve cos(48 ) = 10 x Decide whether to use sin, cos, or tan to find d : o Figure out cos(37 ) to the nearest tenth without using a calculator: Write sin(ϴ) as a fraction. o Explain why tan(60 ) is exactly √3 . Find α given that tan(α) = 1.428 Find ϴ given that cos(ϴ) = 0.423. Explain why tan(ϴ) has no maximum value. o Explain why sin(30 ) is exactly 0.500. o Solve sin(48 ) = 10 x Explain why tan is sometimes greater than 1. Label the triangle to show: o tan(52 ) = 32 25 Write cos(ϴ) as a fraction. Explain why sin and cos are always less than 1. Decide whether to use sin, cos, or tan to find d : Explain why o o sin(45 ) = cos(45 ) Decide whether to use sin, cos, or tan to find a : Find the measure of ϴ to the nearest whole degree: o Solve tan(48 ) = 10 x Find ϴ given that cos(ϴ) = 0.906. Explain why o o sin(11 ) = cos(79 )
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