1.

Find the value of Sin(45-alpha) - cos (45+alpha)Need the answer as soon as possible

Answer»

sin(45-X) - cos(45+x)

We know,

Sin(theta) = cos(90°-theta)

So,

sin(45-x) -cos(45+x)

=>cos(90-(45-x) -cos(45+x)

=>cos(90-45+x) - cos(45+x)

=>cos(45+x)-cos(45+x)

=>0

{I have taken x in PLACE of ALPHA}

So,

sin(45-alpha)-cos(45+alpha)= 0

Cheers!


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