Question

if x cos A=1 and tan A = y. then find the value of x square -y square.
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Answer 1

Step-by-step explanation:

xCosA=1

CosA=1/x

SecA=x

x=SecA

x²=Sec²A

TanA=y

y=TanA

y²=Tan²A

hence,

x²-y²=Sec²A-Tan²A

x²-y²=1

Answer 2

Answer:

I hope you can understand