Math, asked by rahmat98271, 1 year ago

Cos 18 degree into sin 72 degree + sin 18 degree into cos 72 degree

Answers

Answered by 674308

0

Answer:90

Step-by-step explanation:

72+18=90

Answered by Kkrishnanselvi

1

Answer:

cos(18)=sin(72)

cos(72)=sin(18)

=(0.951) ^2 + (0.3090)^2

=0.9044+0.0954

=0.9998

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