if sinθ = cosθ , then find the value of 2tan^2θ + sin^2θ -1
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Answer:
3/2
Step-by-step explanation:
sinx = cosx. => x=45
= 2(1)^2 + (1/√2)^2 - 1
= 2 + 1/2 - 1
= 3/2
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