Question

please say the answer

Answer 1

1)1-sin2/1-cos2

=cos2/sin2

=cot2

=(7/8)2

=49/64

2)cot=7/8=b/p

h=√(7)2+(8)2
h=√49+64
h=√113

therefore, 1+8/√113/7/√113
=√113+8/√113/7/√113
=√113+8/7