Question

plss evaluate this!! plzzzz

Answer 1

Cos 10°/cos 10° + sin 39° × 1/cos 51°

1+ sin 39° 1/sin 39°

1+1 = 2

Answer 2

Given:

sin 80° / cos 10° + sin 59° sec 31°

sin a = cos ( 90 - a )

cos a = sin ( 90 -a )

==> sin 80° / cos( 90° - 80°) + sin ( 90° - 31°) sec 59°

==> sin 80° / sin 80° + cos 59° sec 59°

cos a sec a = 1

==> 1 + 1

==> 2

Your answer is 2

Hope it helps

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