Question

without using trigonometric table find the value of ​

Answer 1

19/3

Solution:-

• tan²60° + 4cos²45° + sec²30° + 5cos²90°—————————————————————

cosec 30° + sec 60° - cot²30°

• (√3)² + 4 × (1/√2)² + (2/√3)² + 5 × 0——————————————————

2 + 2 - (√3)²

• 3 + 2 + 4/3 = 19/3

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Answer 2

Answer:

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Step-by-step explanation:

19/3

Solution:-

tan²60° + 4cos²45° + sec²30° + 5cos²90°—————————————————————

cosec 30° + sec 60° - cot²30°

(√3)² + 4 × (1/√2)² + (2/√3)² + 5 × 0——————————————————

2 + 2 - (√3)²

3 + 2 + 4/3 = 19/3