Question

If 0 and 20-45 are actue angles such that sin 0=cos 20-45then tan0 is

Answer 1

Answer:

tan θ = 1

Step-by-step explanation:

sin θ = cos (2θ-45)

-----sin θ = cos (90-θ)-----

cos (90-θ) = cos (2θ-45)

90-θ = 2θ-45

3θ = 135

θ = 45º

So,

tan θ = tan 45º = 1

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