Math, asked by yashrajmistry1887, 5 months ago

Express sin 80° + cos 72° in terms of ratios of angles between 0° and 45º.

Answers

Answered by soumya392mishra

1

Answer:

cos10+sin12

Step-by-step explanation:

sin80+cos72

sin(90-10)+cos(90-12)

cos10+sin12

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