can someone please answer this
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Step-by-step explanation:
x²=a²sec²©cos²π
y²=b²sec²©sin²π
z²=c²tan²©
(cos²π/cos²©)+(sin²π/cos²©)+(sin²©/cos²©)
cos²π+sin²π+sin²©/cos²©
1+sin²©/cos²©=sin²©+cos²©+sin²©/cos²c
2sin²©+cos²©/cos²©
2(1-cos²©)+cos²©/cos²©
2-cos²©/cos²©
2cot²©+1
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