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prove that sin(90-a)/cosec(90-a) + cos(90-a)/sec(90-a)=1
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What are the values of sin 30, sin 60, sin 45, and sin 90 in
6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2 7cos120∘cos(90..
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Sin30=? sin45=? sin60=? sin90=? sin180=? sin30=? cos30=? Cos45
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6. sin150 Sin(90+60)=+cos60∘=+1/2 sin(180−30)=+sin30∘+1/2
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21. In the figure, write the value of sinP and sin(90∘−R). 22
