Question

If sin4θ – cos4θ = k4, then the value of sin2θ– cos2θ is

Answer 1

Answer:

Given, sin4 theta - cos 4 theta =k4

Now let us divide it by 2;

Sin 4 theta - cos 4theta =4k

= _______________________

2

= Sin 2 theta - cos 2 theta = 2k

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