CDS || Elementary Mathematics || Trigonometric Identities || Quiz

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Question 1

If and 0º ≤ A ≤ 90º, then the value of (sin A + cos A) is:

• A
• B
• C
• D

Question 2

If cos θ + sec θ = k, then what is the value of sin²θ – tan²θ ?

• A4 – k
• B4 – k²
• Ck² – 4
• Dk² + 2

Question 3

If

• A2
• B3
• C4
• D6

Question 4

• ACosA
• BSinA
• C0
• DNone of these

Question 5

.

• A
• B1
• C3
• D

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