Ask a New Question

Evaluate tan^2 60 degrees +sin^2 45 degrees without using your calculator.

a)5
b)7/3
c)1/2
d)7/2

Please help.

Draw the 30-60 and 45-45 triangles. What is the answer? You ought to be able to do these from memory. If you cant, make and use flash cards on these triangles.

Ask a New Question or answer this question.

Similar Questions

evaluate without using a calculator, leaving your answer as surds(a)sin105 degrees (b)tan15 degrees (c)cos 75 degrees
1. 2 answers
1) Identify the initial amount and the growth rate of the following1a)y=250(1+0.2)^t 2b) y=9.8(1.35)^t 2) Use special right
1. 1 answer
Uses scientific calculator to determine each value to four decimal places: sin 75 degrees=?, sin 58 degrees=?, cos 43 degrees=?,
1. 1 answer
1) Use the cofunction identites to evaluate the expression without the aid of a calculator.cos^2 18 degrees + cos^2 72 degrees.
1. 1 answer

more similar questions