Math, asked by manas001, 1 year ago

10. Prove that:
COS ? A cos SA
sinAsin3A
CON 2A coN 7A LOONA CONTOA
sin 2 Asin SA in 4 Asin 7A
= cotoAco SA

Answers

Answered by parijindal67

0

Answer:

plzzzzzzz write your questions clearly

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