MCQ
$cos1^0 cos2^0 cos3^0 ......... cos179^0$ નું મૂલ્ય ..........
- A$\frac{1}{\sqrt{2}}$
- ✓$0$
- C$1$
- Dએક પણ નહી
$cos1^0 cos2^0 cos3^0 ...... cos179^0$
$= cos1^0 cos2^0 cos3^0 cos4^0 ....... cos50^0$$cos60^0 ..... cos90^0 ...... cos179^0$
$= cos1^0 cos2^0 cos3^0cos4^0 ... cos50^0 ...$$\frac{1}{2} ...... (0) ....... cos179^0$
$= 0$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $X$ | $c$ | $2c$ | $3c$ | $4c$ | $5c$ | $6c$ |
| $f$ | $2$ | $1$ | $1$ | $1$ | $1$ | $1$ |
નુંવિચરણ જો $160$ હોય તો $\mathrm{c} \in \mathrm{N}$ નું મૂલ્ય ............ છે.