CDS || Elementary Mathematics || Basic Trigonometry || Quiz

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Question 1

Suppose 0 < θ < 90^o, then for every θ, 4sin2θ + 1 is greater than or equal to?

• A2
• B4 sin θ
• C4 cos θ
• D4 tan θ

Question 2

What is the value of tan 1^o tan 2^o tan 3^o ……. Tan 89^o?

• A0
• B1
• C2
• D∞

Question 3

If 0< x <45 and 45<y <90, then which one of the following is correct?

• Asin x = sin y
• Bsin x < sin y
• Csin x > sin y
• Dsin x sin y

Question 4

if then which one of the following is correct ?

• A
• B
• C
• D

Question 5

If  and , then find the value of

.

• A4
• B3
• C1
• D0

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