if 2sin2∅-cos2∅=2 find value of ∅
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Answered by
5
Step-by-step explanation:
ANSWER
Given, 2sin² θ−cos² θ=2
⇒2sin² θ−1+sin² θ=2
⇒3sin²θ−1=2
⇒sin² θ=1
⇒sinθ=sin90 °
⇒θ=90 ∘
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Answered by
3
Step-by-step explanation:
ANSWER
Given, 2sin² θ−cos² θ=2
⇒2sin² θ−1+sin² θ=2
⇒3sin²θ−1=2
⇒sin² θ=1
⇒sinθ=sin90 °
⇒θ=90 ∘
HOPE THIS WILL HELP U MATE...
MARK ME BRAINLIEST AND FOLLOW ME ⤵️⤵️
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