if x=asecΘ+btanΘ and y=atanΘ+bsecΘ, then prove that x2-y2=a2-b2.
kaushik kashyap , 10 Years ago
Grade 10
10 grade maths> if x=asecΘ+btanΘ and y=atanΘ+bsecΘ, then ...
1 Answers
Nishant Vora
Last Activity: 10 Years ago
Hello Student, this is very simple problem.
x=asecΘ+btanΘ …....eqn (1)
y=atanΘ+bsecΘ.........eqn (2)
Square and substract eqn (1) and (2)
so you will get the answer
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