Question

Pleaseeeeeeeeeee help?

Answer 1

Explanation:

`[\sin^2 \theta - (\cos^2 \theta) (\sin^2 \theta)] ^(-1) \\</p><p>=[\sin^2 \theta \{1- (\cos^2 \theta) \} ] ^(-1) \\</p><p>=[\sin^2 \theta * \sin^2 \theta ] ^(-1) \\</p><p>=[\sin^4 \theta ] ^(-1) \\</p><p>=[(\sin\theta)^4 ] ^(-1) \\</p><p>=[(\sin\theta)^4 ] ^(-1) \\</p><p></p><p>=[(\sin 30\degree )^4 ] ^(-1) \\\\</p><p>=\bigg[\bigg((1)/(2)\bigg)^4 \bigg] ^(-1) \\\\</p><p>=\bigg[(1)/(16)\bigg] ^(-1) \\\\</p><p>= 16`