Math, asked by harshvasava6755, 7 months ago

(sin 80° + cos 10º) (sin 80°-cos 10°) find velue.

Answers

Answered by DhakshinAV13

1

Answer:

0

Step-by-step explanation:

=(sin 80+cos10)(sin80-cos10)

=(sin80+cos10)(sin80-sin(90-10))

=(sin80+cos10)(sin80-sin80)

=(sin80+cos10)(0)

=0

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