find the value of the sin squar 30 -3cos squar 45 -4 tan squar 60 – InterviewSolution

InterviewSolution

1.

find the value of the sin squar 30 -3cos squar 45 -4 tan squar 60

Answer»

sin²30 - 3cos²45 - 4tan²60

Substituting the values, we get

(1/2)² - 3((1/√2)² - 4((√3)²

= 1/4 - 3/2 - 12

= 1-6/4 - 12

= -5/4 - 12

= -5-48/4

= -53/4

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