Question

Sin² 30° -tan² 30°
find the value of this pls
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Answer 1

sin²30°=√3/2×√3/2=3/4

tan²30°=√3×√3=3

3/4-3=9/4

Answer 2

Answer:

sin 30°=1/2

tan 30°=1/√3

according to question,

sin^2 30°- tan^2 30°

(1/2) ^2-(1/√3) ^2

1/4-1/3

=3-4/12

= -1/12