7. State the quadratic formula, sine law, and cosine law below: a) b) c) Note: A trigonometric identity is an equation involving trigonometric ratios that holds TRUE for all values of the variable. Basic proven identities that can be used are: May Reciprocal Identities Quotient Identities Pythagorean Identities rearrange into 1 csc e sin 0 tan e = different sin? 0 + cos? 0 = 1 forms sin e cos e cos e 1 sec e = cos e cot 0 = tan? 0 + 1 = sec? 0 sin 0 cot 0 = cot? 0 + 1 = csc² 0 tan 0

Q: .)_1_.  =______     Cos0 B.) sin20+_____=1   C.) cos0       sin0   D.)  _ 1          Tan0 E.)…

A: We have to find out

Q: please explain how do we answer the question attached. Do we need to use a calculator?

A:

Q: 17n ) sin (-) 9T b.) tan c.) CoS 6. 2 13п ) sec 3 e.) csc 4 f.) cot 4

A: Definition used -                          sin(-θ)=-sinθsin…

Q: 9) Use the properties of the trigonometric functions to find the exact value of each expression. Do…

A: Find the value of sin240°+cos240° by using the property of trigonometric functions

Q: 0 a) Use technology to determine, graphically, whether the expression csc x- cot x to be equivalent…

A: The red graph represents the function csc x-cot xsec x The green graph represents the function sin…

Q: Find the exact value of the following expressions: cos +sin 4 6 cos 12 sec - a) b)

A: Given a)sec7π4cos7π6+sin7π6