a. For what values of are sin , cos and tan all positive? Give
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a. For what values of α are sin α, cos α and tan α all positive? Give your answers in both degrees and radians.
b. Are there any values of α for which sin α, cos α and tan α are all negative? Explain your answer.
c. Are there any values of α for which sin α, cos α and tan α are all equal? Explain your answer.
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a For sin cos and tan to be all positive must lie in the first quadrant of the unit circle In ...View the full answer
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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