If a = 3 Cos2 ; and b = 3Sin2 +1; then find a+b
Answers
Answered by
4
Step-by-step explanation:
a+b= 3Cos2 + 3Sin2 +1
= 3( Cos2 + Sin2 ) +1
= 3 × 1 +1 [ sin2+ cos2 = 1 ]
= 3+1
a+b = 4
Similar questions