Math, asked by TusharShoda, 9 months ago

7 sin2A+3sin2A let sin A is 1/root 2

Answers

Answered by tataskyhd4470

0

Answer:

10

Step-by-step explanation:

Let SinA= 1/2^0.5

Therefore, A= 45 degrees

7Sin90 + 3Sin90= 7(1)+3(1)= 10

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