Prove:(cos8-sin8) / (cos8+sin8) = tan37
saidinesh:
is they are correct values
Answers
Answered by
67
Given
sin8 + cos8 / sin8 - cos8
=1 + cot8 / 1 - cot8
= 1 + cot45 cot8 / cot45 - cot8
= cot (45-8)
= cot37
= 1 / tan37
=tan37
I hope you understand
sin8 + cos8 / sin8 - cos8
=1 + cot8 / 1 - cot8
= 1 + cot45 cot8 / cot45 - cot8
= cot (45-8)
= cot37
= 1 / tan37
=tan37
I hope you understand
Similar questions