trignomentry formula for 10th
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sin²x+cos²x=1
sec²x-tan²x=1
cosec²x-cot²x=1
these are the main formulas you have to remember
sinx=p/h=1/coseca
cosx=b/h=1/seca
tanx=p/b=1/cota
sin(90-a)=CosA and vice versa
tan(90-a)=cotA and vice versa
sec(90-a)=coseca and vice versa
sec²x-tan²x=1
cosec²x-cot²x=1
these are the main formulas you have to remember
sinx=p/h=1/coseca
cosx=b/h=1/seca
tanx=p/b=1/cota
sin(90-a)=CosA and vice versa
tan(90-a)=cotA and vice versa
sec(90-a)=coseca and vice versa
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