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Question

Solve the trigonometric equation from 0¡ã¡Üx¡Ü360
tan⁡x+¡Ì3=0

2 sec^2⁡x+tan^2⁡x-3=0
10 years ago

Answers

Steve
since sec^2 = 1+tan^2, you have

2+2tan^2 + tan^2-3 = 0
3tan^2 = 3
tan^2 = 1
tan = ±1

now, where is that true?
10 years ago

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