Question

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

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Answer 1

We know that,

sin (90 - 0) = cos 0

So,

sin (45° +0) = cos [90 - (4

.. sin (45° +0) - cos (45°

= cos (45° - 0) - cos (45

=

= 0