Masala #CHNMFEU04G
Trigonometrik ifoda
Sizga berilgan ifodaning qiymaini Hisoblang.
\(y={1-\tan^2\alpha\over1+\tan^2\alpha} +\sin^4\alpha-\cos^4\alpha\)
INPUT.TXT kirish faylining dastlabki satrida satr ko‘rinishida \(\alpha\) radian kiritiladi. \(\alpha\) radinning haqiqiy sondagi qiymati [-1000;1000] oraliqdaligi kafolatlanadi.
OUTPUT.TXT Chiqish faylida masala javobini chop eting.
# | input.txt | output.txt |
---|---|---|
1 |
π/4 |
0 |
2 |
3π/2 |
Ma'noga ega emas |
Agar Ifoda manoga ega bo'lmasa "Ma'noga ega emas" deb chop eting.
Kirish faylida α har doim \(nπ/k\) ko'rinishda bo'ladi. \(n,k \in Z\)