Math, asked by harshit202, 1 year ago

Express the trigonometric ratios Sin A,sec A and tan A in terms of cot A.

Answers

Answered by dhruvsh
8
sinA= 1/cosecA = 1 / √(1+cot²A)

[ cot²A+ 1 = cosec²A, 
cosecA= √( 1+cot²A)]

2) 
tanA= 1/cotA

3) 
secA= √(1+tan²A)

[sec²A= 1+tan²A , secA= √ (1+tan²A)]

secA= √(1+ (1/cot²A)) = √ (1+1/ cot²A)
secA = √(cot²A+1/cot²A)

secA= √1+cot²A/ (cotA)

hope this helps....
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