Math, asked by xoliswasinkie81, 10 months ago

prove : sin 77 - sin 43 = sin 17

Answers

Answered by asit200543

2

Answer:

Hiii..

Friends

Step-by-step explanation:

-sin77+sin 43

= -sin(60+17)+sin (60-17)

=2cos 60 × sin17

=2×1/2×sin17

=sin17

please mark it as brainlist ANS.

Answered by riyaza72013

0

Answer:

prove=sin 77so all sell43258

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