Math, asked by assassinaasim22, 10 months ago

solve —Tan 20° 43’ / cot 69° 17’ ​

Answers

Answered by yashvardhansingh163
1

Answer:

)cosec 39°=

\frac{1}{ \sin \: 39}

2)sin(90° - 51°)= cos 51°

3)cot(90° - 21°)= tan 21°

4)

\sec ^ {2}21 = 1 + \tan ^{2} 21

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