solve this question please
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Answer:
tan²30.sin30+cos60.sin²90 tan²60-2 tan 45.cos²0.sin90=-1/3
Step-by-step explanation:
tan²30.sin30+cos60.sin²90 tan²60-2 tan 45.cos²0.sin90,
=(1/√3)².1/2+1/2×1×(√3)²-2×1×1×1
=1/6+3/2-2
=1+9-12/6
=-2/6
=-1/3
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