Math, asked by mohantydhananjaya287, 1 year ago

(a) Find the value of
cos 15° + sin 15°
cos15° - sin 15°

Answers

Answered by navjeetkaur24

6

Answer:

(i) cos15° + sin15°

cos( 90-15 )° + sin15°

cos75° + sin15°

(ii) cos15° - sin15°

cos15° - sin( 90-15 )°

cos15° - sin75°

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