Question

se senx = 3/5, o valor de tg²x é?​

Answer 1

Resposta:

¾

Explicação passo-a-passo:

Tg²x=sen²x/cos²x

Tg²x=3/5²/cos²x

Tg²x=9/25/1-sen²x

Tg²x=9/25/1-9/25

Tg²x=9/25/25-9/25

Tg²x=9/25/16/25

Tg²x=9/16

Tgx=√9/16

Tgx=3/4