Discover new knowledge and insights with IDNLearn.com's extensive Q&A platform. Our Q&A platform offers reliable and thorough answers to help you make informed decisions quickly and easily.

What value of 0 makes cos0= sin 70° a true statement?
A) 20°
B) 40°
C)70°
D) 90°


Sagot :

Answer:

A) 20 degrees

Step-by-step explanation:

The sine of an angle is equal to the cosine of the angles complimentary angle.