Question

i)show that sin 35° cos55° + sin55° cos35° = 1

ii)express in terms of angle between 0° and 45° cos81°+cot 81°​

Answer 1

Answer:

i hope your problem is solved...

Step-by-step explanation:

1) LHS

sin35° cos55° + sin55° cos35°

sin( 90-55) cos55° + cos(90-55) sin55

cos55° cos55° + sin55° sin55°

2cos55°+2sin55°

2(cos55°+sin55°)

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because it can't be solve