इवेलुएट साइन स्क्वायर 60 डिग्री प्लस टू 10 स्क्वायर 45 डिग्री माइनस कौस स्क्वायर 30 डिग्री
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Answer:
1 is the correct answer.
Step-by-step explanation:
sin^2 60 + tan ^2 45 - cos^2 30
= (√3/2 )^2 + (1)^2 - (√3/2 )^2
= 3/4 + 1 + 3/4
= 1
plz mark this as brainliast.
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