Math, asked by simranmadhwani969, 6 months ago

evaluate
1 sec50 sin40
2 tan65 + cot 49
3 sec 76+ cosec 52

Answers

Answered by Anonymous

2

1) sec50×sin40=0.7721

2)tan65+cot49

tan 65 = tan (90 - 25) = cot 25

cot 49 = cot ( 90 - 41) = tan 41

3)sec76o + cosec52o

= sec(90o - 14o) + cosec(90o - 38o)

= cosec14o + sec38

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