Mathematics Past Questions and Answers

If \(\sec ^{2} \theta+\tanh ^{2} \theta=3\), then angle \(\phi\) is equal to

The set of values of \(x\) and \(y\) which satisfies the equations \(x^{2}-y-1=0\) and \(y-2 x+2=0\) is

Two triangles have the same area if

If \(25^{x-1}=64(5 / 2)^{6}\), then \(x\) has the value

In a circle of radius \(10 \mathrm{~cm}\), a chord of len gth \(10 \mathrm{~cm}\) is \(x \mathrm{~cm}\) from its centre. What is \(x\).