Math, asked by rb851341, 7 months ago

Hi
IRIS
sin2 70° + cos2 110º = 1

Answers

Answered by ravi2303kumar

0

Step-by-step explanation:

to prove

sin²70° + cos²110 = 1

LHS

= sin²70° + cos²110

= sin²70° + cos²(180-70)°

= sin²70° + cos²70°

= 1

= RHS

=> LHS = RHS

hence proved

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