1.

The value of sin (45° + θ) – cos (45° – θ) is

Answer»

Answer:

We have,

SIN (45° + θ) – cos (45°–θ)

= sin (45° + θ) - sin (90° -(45° - θ))

= sin (45° + θ) - sin (45° + θ)

= 0.

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