Question

What will be the value of sin(5π/4 )-cos(3π/4)?


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Answer 1

Answer:

Answer here

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sin(5π/4)=sin(π+4π/4)

=>-sinπ/4

=>-1/√2

Now,cos3π/4

cos(π-π/4)

=>-cosπ/4

=>-1/√2

So,putting the values we get

{-1/√2}-{-1/√2}

=>0

Answer 2

Answer:

Explanation:thanks

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