Question

If sin 0 + cos 0 = √2 sin (90° - 0), show that cot o =√2 +1.
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Answer 1

Answer:

sin 0 + cos 0 = √2sin(90-0)

sin 0 + cos 0 = √2 cos 0

Divide both sides by sin 0

1 + cot 0= √2 cot 0

cot 0(√2-1)=1

cot 0=1/(√2-1)= 1×(√2+1)/{(√2-1)(√2+1)}

=√2+1/{2-1}=√2+1 Ans

Answer 2

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