Math, asked by rupinderkaur4231, 4 months ago

show that : sin 7+sin 5+sin 9+sin 3/

cos 7+cos cos 9+cos 3 = tan 6

Answers

Answered by anshika4187

0

Answer:

LHS=

(cos7x+cos5x)+(cos9x+cos3x)

(sin7x+sin5x)+(sin9x+sin3x)

=

2cos6xcosx+2cos6xcos3x

2sin6xcosx+2sin6xcos3x

=

2cos6x(cosx+cos3x)

2sin6x(cosx+cos3x)

=tan6x=RHS

Step-by-step explanation:

please make me brainlist please

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