sin 60° *. cos 30° + cos 60° * sin 30°
Answers
Answered by
1
Step-by-step explanation:
the answer is one
sin60×cos30+sin30×cos60
√3/2×√3/2+1/2×/12
3/2+1/4
4/4
1
hope it helps you mark the brainliest
Answered by
1
Answer:
1
Step-by-step explanation:
sin(90-60).cos 30+ cos (90-60). sin 30
Trigonometry complementary angle formula
sin (90-θ)= cos θ
cos (90-θ)=sin θ
now
cos 30.cos30 + sin 30. sin 30
=cos²30+sin²30
By trigonometry square relations
sin²θ+ cos²θ=1
so sin²30+ cos²30=1
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