Question

If sink - cosk = 0, then the value of sin⁴k + cos⁴ k is​

Answer 1

Answer:

1/2

Step-by-step explanation:

sin k - cos k = 0

sink = cosk

k= 45 (only at the multiples of 45)

(sin45)^4 + (cos45)^4

1/4 + 1/4 = 1/2

Answer 2

Answer:

$1 \div 2$

Step-by-step explanation:

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