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1 - tan^245°/1+tan^245° = (A) tan 90° (B) 1 (C) sin 45° (D) 0
Introduction to Trigonometry
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13/06/2021 11:15 am
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Choose the correct option and justify your choice:
1 - tan245°/1+tan245° =
(A) tan 90°
(B) 1
(C) sin 45°
(D) 0
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1 Answer
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13/06/2021 11:17 am
Correct option: (D) 0
Explanation:
Substitute the of tan 45° in the given equation
tan 45° = 1
1-tan245°/1+tan245° = (1-12)/(1+12)
= 0/2 = 0
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