alfa+beta=90 then cos
square alfa+cos square beta is equal to
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Hi!!
Alfa = 90- beta
Sin²( 90-beta) + Cos²(beta)
Cos²(Beta) + Cos² ( beta)
2 Cos² (beta) or 2 Sin² ( beta)
Have a nice time!!
Alfa = 90- beta
Sin²( 90-beta) + Cos²(beta)
Cos²(Beta) + Cos² ( beta)
2 Cos² (beta) or 2 Sin² ( beta)
Have a nice time!!
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