answer fast 100 points
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Answered by
3
Step-by-step explanation:
2x=secΦ
x=secΦ/2
2/x=tanΦ
1/x=tanΦ/2
2[(secΦ/2)^2-(tanΦ/2)^2]
2(sec^2Φ-tan^2Φ)/4)
2(1)/4
1/2
Answered by
1
2x=secΦ
x=secΦ/2
2/x=tanΦ
1/x=tanΦ/2
2[(secΦ/2)^2-(tanΦ/2)^2]
2(sec^2Φ-tan^2Φ)/4)
2(1)/4
1/2
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