Question

if root 2 sin theta is equal to 1 find sec square theta minus cosec square theta and not by using values by Pythagoras Theorem​

Answer 1

Refer to attachment........

Answer 2

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√2 sinθ = 1

sinθ = 1/√2

This implies,

value of θ = 45°

Now,

Sec2θ - cosec2θ = sec245° - cosec245°

= (√2)2 - (√2)2

= 0