Matematika

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o 3. 1L Co s A 4 s
n A. 1 cos A
cos
matematika
o 3. 1L Co s A 4 s n A. 1 cos A cos matematika

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  • a = alfa

    a.
    (sin²a+cos²a)/3 = 1/3
    1/3 = 1/3

    b.
    sin²a/cos a + cos a = 1/cos a
    (sin²a+cos²a)/cos a = 1/cos a
    1/cos a = 1/cos a

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