Math, asked by brabindhar2, 2 months ago

sin 15° + cos 105º =.

Answers

Answered by kinghujm

0

Answer:

=2sin(c+d/2).cos(c-d/2)

=2sin(120/2).cos(90/2)

=2sin60.cos45

=2*✓3/2*1/✓2

=✓3/✓2

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