Q 19 -1,2 both portion pls very fast

Q   19 .   E v a l u a t e :   cos e c 2 63 ° + tan 2 24 ° c o t 2 66 ° + s e c 2 27 ° + sin 2 63 ° + cos 63 ° sin 27 ° + sin 27 ° s e c 63 ° 2 cos e c 2 65 ° - tan 2 25 ° O R I f   sin   θ + cos   θ = 2 ,   t h e n   e v a l u a t e :   tan θ + c o t θ
 

Dear Student, 
Kindly refer to the link for the similar query.(2nd part)
https://www.meritnation.com/ask-answer/question/sina-cosa-3-prove-that-tana-cota-1/introduction-to-trigonometry/1183008
Regards

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