INTRODUCTION TO TRIGONOMETRY

Say 'TRUE' or 'FALSE'
The values of cosec θ and sec θ cannot be smaller than 1

• TRUE
• FALSE

Say 'TRUE' or 'FALSE'
If A and B are acute angles such that Cos A > cos B, then A > B

• TRUE
• FALSE

If sin θ = cos θ, then θ is equal to ____

• 30°
• 45°
• 60°
• 90°

• a)
• b)
• c)
• d)

Say 'TRUE' or 'FALSE'
If A and B are acute angles such that Sin A = Sin B, then A = B

• TRUE
• FALSE

If A + B = 90°, Cot B = ¾, tan A = _______

• ¾
• ¼
• ⅓
• ½

In a right angled ΔABC, right angled at B, if ∠A = ∠C = 45°, then find
tan A + cot A

• 2
• 1
• 0
• None of the above

• 1
• 2
• ½
• None of the above

Choose the correct statement

• Sin 30° > Cos 30°
• cos 30° > Sin 30°

Given that sin α = ½ and cos β = ½, then the value of α + β is ______

• 90°
• 60°
• 30°
• 0°