यदि \( P + Q + R = 180^\circP \) भए प्रमाणित गर्नुहोस् : If… – SEE Class 10 Optional Maths 2082 Solved

SEE Class 10 Optional Maths · 2082 · Solved Question with Answer

यदि \( P + Q + R = 180^\circP \) भए प्रमाणित गर्नुहोस् :
If \( P + Q + R = 180^\circP \), prove that:

sin⁡(P+Q−R)+sin⁡(Q+R−P)+sin⁡(R+P−Q)=4sin⁡P⋅sin⁡Q⋅sin⁡R

Solution

यदि \( P + Q + R = 180^\circP \) भए प्रमाणित गर्नुहोस् : If \( P + Q + R = 180^\circP \) , prove that:…