sin 20° = cos _____° *
70
20
0
60
Answers
Answered by
0
Answer:
the answer of this question is 70.
Step-by-step explanation:
sin 20° = cos 70°
Answered by
3
sin 20° = cos __70°___°
Explanation:-
i. sin 20°
= cos (90° – 20°) ...[∵ sin θ = cos(90 – θ)]
= cos 70°
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