Question

Evaluate :
-tan x cot (90-x)+sec x cosec (90-x)+sin^2 55°+sin^2 35°

Answer 1

= -tanx.tanx+secx.secx+sin²55+ cos²(90-35)
=-tan²x+sec²x+ sin²55+cos²55
=1+1
=2

Answer 2

Its answer is 2.


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