Question Detail

MTH 101 MTH 101 Past Questions Objective Question
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Question

Which identity is correct for complementary angles?
Options
A sin (90°-a) = cos a
Correct Answer
B sin (90°-a) = -cos a
C sin (90°-a) = tan a
D sin (90°-a) = cot a
Correct Answer

Option A is the correct answer.

Detailed Explanation

The cofunction identity states sin (90°-a) = cos a.

Hint

The notes indicate answer A.

Question Info

Course: MTH 101
Topic: MTH 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 144 of 696
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