Resolve into factors. b. 2 cos0 + 13 cos0+ 15

asked Sep 18, 2022 28.9k views

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We have: 2cosФ + 13cosФ + 15

= 15cosФ + 15

= 15(cosФ + 1)

Ok done. Thank to me :>

Garrett Rowe answered Sep 20, 2022

3.3k points

4 votes

Explanation:

Hope it will help you a lot.

Nikunj Banka answered Sep 25, 2022

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