Question

Only genius can do this

.

If sinB - cosB = 0 , then find the value of sin^4B + cos^4B​

Answer 1

Answer:

sin⁴B+cos⁴B = 2sin⁴B=2cos⁴B

Step-by-step explanation:

sinB-cosB = 0

=> sinB = cosB ---(1)

Now,

sin⁴B+cos⁴B

= sin⁴B + sin⁴B

= 2sin⁴B

or

= 2cos⁴B

Therefore,

sin⁴B+cos⁴B = 2sin⁴B=2cos⁴B

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Answer 2

Answer:

B is forty five degrees

4B is 180 so ans is 0+1 that is 1..