Question

if sinθ = cosθ , then find the value of 2tan^2θ + sin^2θ -1​

Answer 1

Answer:

3/2

Step-by-step explanation:

sinx = cosx. => x=45

= 2(1)^2 + (1/√2)^2 - 1

= 2 + 1/2 - 1

= 3/2