English, asked by pk7061011, 1 month ago

Evaluate 3tan²30-2sec²45+4sin²30

Answers

Answered by dkchakrabarty01

0

Answer:

Substitute values of tan 30, sec45 and sin30

3×(1/√3)^2-2×(√2)^2+4×(1/2)^2

1-1+1=1 Ans

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