Prove that sec8x-1/sec4x-1=tan8x/tan2x
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sec 8x-1/sec4x-1= 1- cos8x/cos8x ×1-cos4x/cos4x
=2sin²4x/cos8x × 2sin²2x/cos 4x
=
=2sin²4x/cos8x × 2sin²2x/cos 4x
=
sidpatwal:
pura answer kyu nhi diya
hand dard kar raha hai
that's why l said click the picture but koi ni thanku itna krne k liye bhi
sorry bro
koi ni
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