Math, asked by ofentsemsiza63, 3 months ago

Use cos (a-b) to derive a formula for sin(a+b)

Answers

Answered by tejas9193

0

Step-by-step explanation:

Step-by-step explanation:

Explanation:

Step-by-step explanation:

${\huge{\underbrace{\overbrace{\color{purple}{why?\: \: \: }}}}}$

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