If θ is an acute angle and sinθ=cosθ. The value of 2tan2θ+sin2θ-1 is,

Brooklyn Santiago

Brooklyn Santiago

Answered question

2023-03-11

If θ is an acute angle and sinθ=cosθ. The value of 2tan2θ+sin2θ-1 is,

Answer & Explanation

ecchieuz

ecchieuz

Beginner2023-03-12Added 1 answers

sinθcosθ=cosθcosθ
tanθ=sinθcosθ
tanθ=1
tanθ=tan45°
θ=45°
2tan2θ+sin2θ-1=2tan245°+sin245°-1
=212+122-1
=32(answer)

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