sin^2 30 + 4 cot^2 45 - sec^2 60 = ? (a) 0 (b) 1/4 (c) 4 (d) 1
Answers
Answered by
19
➡sin²30 + 4 cot²45 - sec²60
➡(1/2)² + 4(1)² - (2)²
➡1/4 + 4 - 4
➡1/4
Hence, option (b) 1/4 is the correct one.
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➡(1/2)² + 4(1)² - (2)²
➡1/4 + 4 - 4
➡1/4
Hence, option (b) 1/4 is the correct one.
HOPE IT HELPS YOU ☺☺
Answered by
3
Answer:
1/4
Step-by-step explanation:
(1/2)²+(4/1)²-(2)²
1/4+4-4
1/4
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