Question

find the value of cos 90°+cos^245°sin 30°+tan^245°sec^230°​

Answer 1

Answer:

19/12

Step-by-step explanation:

→ cos90° + cos²45° • sin30° + tan²45° • sec²30°

→ 0 + (1/√2)² • 1/2 + (1)² • (2/√3)²

→ 0 + 1/2 • 1/2 + 1 • 4/3

→ 0 + 1/4 + 4/3

→ 19/12

→ Thus, the required value is 19/12

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Answer 2

Answer:

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