1.

2 (121 :ar (55° + x) = cot (35° - x)ec (70° — 9) > ८०86८ (20? + 9)° 4+ A) = cos (62° — A)

Answer»

i)

tan ( 55 + x) = cot ( 90 - ( 55 + x))

= cot ( 35° - x)

ii)

sec ( 70° - ) = cosec ( 90° - ( 70 - ))

= cosec ( 20 + )

iii)

sin ( 28° + A) = cos ( 90 - (28 + A))

= cos ( 62° - A)



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