Tan100°=
1. tan80°
2. tan280°
3. -tan80°
1 answer:
Answer:
2. tan 280°
3. -tan 80°
Step-by-step explanation:
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The tangent function is periodic with a period of 180°, so tan(100°) will be equal to tan(100°+k·180°) for any integer k. Answer choices include k values of ±1, so two of them are correct:
tan(100°) = tan(100° -180°) = tan(-80°) tan(100°) = tan(100° +180°) = tan(280°)
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