Math, asked by AmazingAbhay, 2 months ago

evaluate sin 72/cos 18 - sec 32/cosec 58 + tan 42 . tan 48

Answers

Answered by arkasaha085

0

Answer:

0.83

Step-by-step explanation:

1-[{cos(32).sin(58)}/sin(38)]+tan(42).tan(48)

=1-{(0.848)(0.848)/0.615}+0.9(1.11)

=1-(0.719÷0.615)+0.9(1.11)

=1-1.169+0.9(1.11)

=1-1.169+0.999

=0.83

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