Math, asked by dishamunot2004, 1 year ago

Trigonometry.
cos81°+cot81°=

Answers

Answered by AneekBiswas1
9
Hey we can do so by the following way...
cos81
=cos(90-9)
=sin9

cot81
=cot(90-9)
=tan9

Therefore,
Cos81 + Cot81
=sin9 + tan9

Hope you like it...
Mark as brainliest....
Answered by mahimauli106
0

Answer:

cos(90-9)+cot(90-9)

=sin 9+ tan 9

Previous Question
Next Question
Similar questions
Math, 7 months ago
The population of three villages are 5637,6298 and 5438 . Find the total population of the three villages ?
Hindi, 7 months ago
Khoya paya column ke liye Ek Vigyapan Tayar kijiye​...
English, 7 months ago
Write a dairy entry about how you enjoyed the celebration of the grandfather's 75th birthday last week...
Biology, 1 year ago
why do sometimes artificial Kidneys are needed...
History, 1 year ago
WHO INVENTED TELEPHONE...
Math, 1 year ago
Class 8 :- What is logarithm? how to do it?
Math, 1 year ago
Draw an angle of 70 degree nd construt its bisector...
Psychology, 1 year ago
Interview any of the following professional to know about their job requirements e g.,age requirement, gender requirement, physical requirement and educational and training requirements: Engineer (i) Doctor (ii) Teacher (iv) Lawyer...