Question

Find the value of 2sin2 A + 2cos2 A ?​

Answer 1

Answer:

Yakima River was called treacherous because it was a very deep and swift flowing river. So many people had drowned there. There had been several cases of drowning in the river . It was not considered safe because of its rough water and fast current.

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Answer 2

Answer:

Given, x=2sin

2

θ,y=2cos

2

θ+1

To find: (x+y)

x+y=2sin

2

θ+2cos

2

θ+1

=2(sin

2

θ+cos