Math, asked by chandisharma12345678, 11 months ago

cos? 20° + cos? 70° at H7
(b) 0
(d) 1
please solved this sum

Answers

Answered by Anonymous

2

(d) 1 is the answer.

=Cos20+cos70

=Cos20+sin(90-20)

=Cos20+sin20

=1

Please mark me as brainliest.

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