If $\frac{\sin ^2 ∅-3 \sin ∅+2}{\cos ^2 ∅}=1$, where $0^{\circ}<∅<90^{\circ}$, then what is the value of $(\cos 2 ∅-\sin 3 ∅+cosec 2 ∅) ?$
Answer & explanation
Correct answer: option 2
A detailed explanation for this question is coming soon.
If $\frac{\sin ^2 ∅-3 \sin ∅+2}{\cos ^2 ∅}=1$, where $0^{\circ}<∅<90^{\circ}$, then what is the value of $(\cos 2 ∅-\sin 3 ∅+cosec 2 ∅) ?$
Correct answer: option 2
A detailed explanation for this question is coming soon.