Question

x=asectheta and y= btan theta,then prove that x²/a²-y²/b²=1​

Answer 1

Answer:

So put value of x in x^2/a^2 u will get

Step-by-step explanation:

Sec^2x and in similarly put value of y you will get tan^2x and use sec^2x-tan^2x=1

Hence proved

Note i have taken theta as x