if 2 sin square theta - cos square theta =2 then find the value of theta
QGP:
By the way, which standard are you in?
I am asking, so I know which format to put the answer in
In class 10 th
Okay, so I have to only give a single answer in degrees right? Like 90 degrees, 45 degrees, etc?
9TH
yes
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Answered by
334
Hey there,
The image is here.
Hope it helps
Purva
Brainly.in
The image is here.
Hope it helps
Purva
Brainly.in
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thanks for help
You are welcome :)
Answered by
118
Answer: α = 90° or 270°
Step-by-step explanation:
given that
2 sin² α - cos² α =2
we know that
sin² α + cos² α = 1
so
2 sin² α -1+sin² α = 2
3 sin² α = 3
sin² α = 1
sin α = sin 90 ° or sin 270°
so
α = 90° or 270°
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