need help!!!!
#sumedhian ❤❤
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Step-by-step explanation:
=[sin(90-55)÷cos 55°]^2 +[cos (90-35)÷ sin 35°] - 3 sin 30°
=(cos 55 ° ÷cos 55°)^2 + (sin 35° ÷ sin 35°) - 3 ×(1÷2) { sin 30°=1÷2}
=(1^2)+1-(3÷2)
=1+1-3÷2
=2-3÷2
=4-3÷2
=1÷2 Ans
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