Math, asked by ambikanahush, 3 months ago

II) Prove the following.
1) tan20° tan80° cot50° = 13
2) If sin a sinß - cos a cos B + 1= 0
then prove cot a tan B = -1

Answers

Answered by anjalipandeybbu

0

Answer:

I hope you have got your 2nd answer.

and i think 1st question is wrong.

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