Question

plz answer formatly with format only ​

Answer 1

Answer:

=> 3sin@ = 4cos@

=> sin@/cos@ = 4/3

=> tan@ = 4/3

=> sin@ = 4/5 , cos@ = 3/5

=> 4sin²@ - 3cos²@ + 2

=> 4*(4/5)² - 3*(3/5)² + 2

=> 4 * 16/25 - 3*9/25 + 2

=> (64-27)/25 + 2

=> 37/25 + 2

=> (37+50)/25

=> 87/25