Math, asked by MGNDRA, 9 months ago

cos25°×cos65°
calculate urgent!!!

Answers

Answered by dharsan427

1

Answer:

0.38302

Step-by-step explanation:

Attachments:

Answered by goodboy1657

0

Step-by-step explanation:

sin2x =2sinxcosx or, sinxcosx= sin2x/2

cos25 *cos65

=cos25*sin25

=sin(2*25)/2

=sin25 [ANS]

HOPE IT HELPS☺☺☺☺☺

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