Question

if is 5 sec theta and y is cot 90 degree minus theta then y square minus x square is ​

Answer 1

Given, x=5sec theta

and, y=cot (90°- theta)

y=sec theta {cot(90°- theta)=sec theta}

y=sec theta

On putting these values of x and y in x^ - y^

we get,

= sec theta ^ - 5sec theta ^

= sec theta ^ (1 - 25)

= sec theta ^ . 24

= 24sec theta ^

Hence, x^ - y^ = 24 sec theta^

Hope it will help you. :)