Derive all the imp formulas of trigonometry with a proper explanation for each of them.
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All important formulas of trigonometry are -
★sin²∅+cos²∅= 1
★1+cot²∅=cosec²∅
★1+tan²∅=sec²∅
★cot∅= cos∅/sin∅
★tan∅= sin∅/cos∅
★sin∅=1/cosec∅
★cos∅=1/sec∅
★sin²∅+cos²∅= 1
★1+cot²∅=cosec²∅
★1+tan²∅=sec²∅
★cot∅= cos∅/sin∅
★tan∅= sin∅/cos∅
★sin∅=1/cosec∅
★cos∅=1/sec∅
Anonymous:
i said derive!!
Derive..means give figure and explain origin..?
??
Report my answer..
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