Math, asked by swaroopa8262, 9 hours ago

1
1. (i) Prove that Sin780° Sin480° + Cos 120° Cos60°=1÷2

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Answered by principalchouhan

0

Answer:

cos thita =sin thita isππππππππππ

Answered by krishpmlak

0

Answer:

Step-by-step explanation:

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