evaluate 2 tan² 45⁰ + cos² 30⁰ - sin²60⁰ evaluate
Answers
Answered by
12
Answer:
Using standard angles,
2(1)² + (√3/2)² - (√3/2)²
2+3/4-3/4
2
Step-by-step explanation:
Answered by
17
Answer:
HEY MATE HERE'S YOUR ANSWER
Step-by-step explanation
We know
tan 45 = 1
cos 30 = root 3/2
sin 60 = root 3/2
NOW,
2(1 + (√3/2)² + (√3/2)²
2( 1 + ( 3/4) + ( 3/4)
2 + 6/8 + 6/8
NOW TAKING L.C.M
=2/1 +6/8 +6/8
=16 + 6 + 6/8
=28/8
=7/2
=3.5
therefore your answer is 3.5
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