sin30°. Cos45° + sin45°
. cos60° = …………
pls give the right ans I will mark u only correct answer
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We know that,
sin 30° = 1/2
cos 45° = 1/√2
sin 45° = 1/√2
cos 60° = 1/2
So, sin 30° . cos 45° . sin 45° . cos 60°
= 1/2 × 1/√2 × 1/√2 × 1/2
= 1/4 × 1/2
= 1/8
Answer:
sin 30°. cos 45°. sin 45°. cos 60° = 1/8
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Answer:
Heartbeat. The walls of the chambers of the heart are made up of muscles. These muscles contract and relax rhythmically. This rhythmic contraction followed by its relaxation constitute a heartbeat.
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