sec^6x - tan^6x = 1 + 2 tan^2x sec^2x Important Difficult Trigonometric Identity

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Sabiendo que se cumple la condición: sqrt(7)*cos x + 1=tan^2 x obtenga el valor de k=tan^6 x-tan^4 x-tan^2 x.

juanmanuelsosaromero
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Just use the equation
a³-b³= (a-b)³-3ab(a-b)
And you would get the answer in just seconds.

dhanyasanthu
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Sir can we use (a-b)^2 +2ab in stead of a^2+b^2 after 2 line

somyasahoo
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I love this question. Make more videos like this! Is there a general rule for when to switch from sine to cos and vice-versa? Or do you change accordingly, depending on what you need.

gurmenbadyal
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We have very need like as you teacher. from my heart. Stay happy always. Je sum samaj aa gya bdi der baddest💝💝💝

iu