Question

If sin thita + cos thita = rought 2 then what is thita

Answer 1

Answer:

SIN @+COS@=√2

squaring on both sides

sin^2@+cos^2@+2sin@cos@=2

as sin^2@+cos^2@=1

 1+2sin@cos@=2

2sin@cos@=1

sin@cos@=1/2

if @ is 45 then, sin@cos@ will be 1/2

therefore,  @=45 degrees

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