Math, asked by Ironfist234, 9 months ago

cos4-cos2 =sin4-sin2

Answers

Answered by GodAryan

0

Step-by-step explanation:

cos4-cos2=sin4-sin2

cos2=sin2

Answered by Anonymous

0

Step-by-step explanation:

-2Sin3*Sin1 = 2Cos3*Sin1

tan3 = -1

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